% gender(X,Y): person Y is of gender X

gender(male,george).

gender(male,henry).

gender(male,edward).

gender(male,luke).

gender(male,gregory).

gender(male,philip).

gender(male,antony).

gender(male,edward).

gender(male,charles).

gender(male,mark).

gender(male,andrew).

gender(male,william).

gender(female,mary).

gender(female,alice).

gender(female,wallis).

gender(female,elizabeth).

gender(female,allison).

gender(female,judy).

gender(female,margaret).

gender(female,sophie).

gender(female,martha).

gender(female,anne).

gender(female,sarah).

gender(female,heather).