premise: A young man in front of a grill laughs while pointing at something to his left.
hypothesis: A man is laughing
explanation_1: A man that laughs is surely laughing.
explanation_2: A young man is a man, and he is laughing.
explanation_3: The man is laughing because he laughs.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5.(while(e1,e2) & at(e2,x4) & to(x4,x5) & n_left(x5) & of(x5,x1) & n_male(x1) & n_thing(x4) & Actor(e2,x1) & v_point(e2) & Actor(e1,x1) & v_laugh(e1) & in(x1,x2) & of(x2,x3) & n_grill(x3) & n_front(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_laugh(e1) & n_man(x1))