import java.util.*;
class M{
public static void main
(String[] a
){ System.
out.
println(c
("The man walked down the road.")); System.
out.
println(c
("Slowly, he ate the pie, savoring each delicious bite. He felt like he was truly happy.")); System.
out.
println(c
("This sentence has no most frequent word.")); System.
out.
println(c
("\"That's... that's... that is just terrible!\" he said.")); System.
out.
println(c
("The old-fashioned man ate an old-fashioned cake.")); .println(c("IPv6 looks great, much better than IPv4, except for the fact that IPv6 has longer addresses."));
System.
out.
println(c
("This sentence with words has at most two equal most frequent words.")); }
}
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