Standard input is empty

Array
(
    [0] => Array
        (
            [0] => New York
            [1] => New York City
        )

    [1] => Array
        (
            [0] => New York hotel
            [1] => New York lodging
            [2] => New York motel
        )

    [2] => Array
        (
            [0] => New York City hotel
            [1] => New York City lodging
            [2] => New York City motel
        )

    [3] => Array
        (
            [0] => New York hotel cheap
            [1] => New York lodging cheap
            [2] => New York motel cheap
        )

    [4] => Array
        (
            [0] => New York City hotel cheap
            [1] => New York City lodging cheap
            [2] => New York City motel cheap
        )

    [5] => Array
        (
            [0] => New York hotel accomodation
            [1] => New York lodging accomodation
            [2] => New York motel accomodation
        )

    [6] => Array
        (
            [0] => New York hotel rooms
            [1] => New York lodging rooms
            [2] => New York motel rooms
        )

    [7] => Array
        (
            [0] => New York City hotel accomodation
            [1] => New York City lodging accomodation
            [2] => New York City motel accomodation
        )

    [8] => Array
        (
            [0] => New York City hotel rooms
            [1] => New York City lodging rooms
            [2] => New York City motel rooms
        )

    [9] => Array
        (
            [0] => New York hotel cheap accomodation
            [1] => New York lodging cheap accomodation
            [2] => New York motel cheap accomodation
        )

    [10] => Array
        (
            [0] => New York hotel cheap rooms
            [1] => New York lodging cheap rooms
            [2] => New York motel cheap rooms
        )

    [11] => Array
        (
            [0] => New York City hotel cheap accomodation
            [1] => New York City lodging cheap accomodation
            [2] => New York City motel cheap accomodation
        )

    [12] => Array
        (
            [0] => New York City hotel cheap rooms
            [1] => New York City lodging cheap rooms
            [2] => New York City motel cheap rooms
        )

    [13] => Array
        (
            [0] => New York hotel two-bedroom
            [1] => New York lodging two-bedroom
            [2] => New York motel two-bedroom
        )

    [14] => Array
        (
            [0] => New York City hotel two-bedroom
            [1] => New York City lodging two-bedroom
            [2] => New York City motel two-bedroom
        )

    [15] => Array
        (
            [0] => New York hotel cheap two-bedroom
            [1] => New York lodging cheap two-bedroom
            [2] => New York motel cheap two-bedroom
        )

    [16] => Array
        (
            [0] => New York City hotel cheap two-bedroom
            [1] => New York City lodging cheap two-bedroom
            [2] => New York City motel cheap two-bedroom
        )

    [17] => Array
        (
            [0] => New York hotel accomodation two-bedroom
            [1] => New York lodging accomodation two-bedroom
            [2] => New York motel accomodation two-bedroom
        )

    [18] => Array
        (
            [0] => New York hotel rooms two-bedroom
            [1] => New York lodging rooms two-bedroom
            [2] => New York motel rooms two-bedroom
        )

    [19] => Array
        (
            [0] => New York City hotel accomodation two-bedroom
            [1] => New York City lodging accomodation two-bedroom
            [2] => New York City motel accomodation two-bedroom
        )

    [20] => Array
        (
            [0] => New York City hotel rooms two-bedroom
            [1] => New York City lodging rooms two-bedroom
            [2] => New York City motel rooms two-bedroom
        )

    [21] => Array
        (
            [0] => New York hotel cheap accomodation two-bedroom
            [1] => New York lodging cheap accomodation two-bedroom
            [2] => New York motel cheap accomodation two-bedroom
        )

    [22] => Array
        (
            [0] => New York hotel cheap rooms two-bedroom
            [1] => New York lodging cheap rooms two-bedroom
            [2] => New York motel cheap rooms two-bedroom
        )

    [23] => Array
        (
            [0] => New York City hotel cheap accomodation two-bedroom
            [1] => New York City lodging cheap accomodation two-bedroom
            [2] => New York City motel cheap accomodation two-bedroom
        )

    [24] => Array
        (
            [0] => New York City hotel cheap rooms two-bedroom
            [1] => New York City lodging cheap rooms two-bedroom
            [2] => New York City motel cheap rooms two-bedroom
        )

)