premise: 2 kids are jumping on the beach.
hypothesis: There is a boy.
explanation_1: A kid does not have to imply a boy.
premise_logic: exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_kid(x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))
hypothesis_logic: exists p1 x1 x2.((x1 = x2) & n_boy(x2))
premise_sim: exists e1 x1 x2.(v_jump(e1) & on(e1,x2) & n_kid(x1) & n_date(x1) & n_beach(x2) & a_date_day_02(x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(n_boy(x2) & (x1 = x2))