premise: A man and a child are laughing at each other.
hypothesis: Two people are laughing.
explanation_1: To be laughing at each other, there must be two people laughing
explanation_2: A man and a child means there are two people laughing.
explanation_3: A man and a child are people.
premise_logic: exists e1 x1 x2 x3.(all x4.(n_other(x4) -> at(e1,x4)) & Actor(e1,x1) & v_laugh(e1) & subset_of(x3,x1) & n_child(x3) & subset_of(x2,x1) & n_man(x2))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_laugh(e1) & n_people(x1) & card_eq_2(x1))
premise_sim: exists e1 x1 x2 x3.(v_laugh(e1) & subset_of(x3,x1) & subset_of(x2,x1) & n_man(x2) & n_child(x3) & all x4.(at(e1,x4) | -n_other(x4)) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_laugh(e1) & n_people(x1) & card_eq_2(x1) & Actor(e1,x1))