premise: A girl is laughing while holding some rocks in her right hand.
hypothesis: There is a girl laughing at the man
explanation_1: Do not know that the girl is laughing at a man since she is holding some rocks.
explanation_2: We have no idea if she is laughing at the man, she could be laughing at anything.
explanation_3: There are many reasons to laugh.  We cannot infer that she is laughing at the man.
premise_logic: exists e1 e2 s1 x1 x2 x3.(while(e1,e2) & in(e2,x3) & n_hand(x3) & a_right(s1) & Theme(s1,x3) & of(x3,x1) & n_female(x1) & Theme(e2,x2) & Actor(e2,x1) & v_hold(e2) & n_rock(x2) & Actor(e1,x1) & v_laugh(e1) & n_girl(x1))
hypothesis_logic: exists p1 x1 x4.(n_man(x4) & exists e1 x2 x3.((x1 = x2) & at(e1,x4) & Actor(e1,x3) & v_laugh(e1) & (x2 = x3) & n_girl(x2)))