premise: A person throwing a yellow ball in the air.
hypothesis: The ball is heavy
explanation_1: The weight of the ball is not mentioned. You can't tell how heavy it is.
explanation_2: Just because the person is throwing a yellow ball in the air does not mean it is heavy.
explanation_3: Balls for throwing are light, not heavy.
premise_logic: exists e1 s1 x1 x2 x3 x4.(n_air(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_throw(e1) & n_ball(x3) & a_yellow(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))
hypothesis_logic: exists s1 x1.(n_ball(x1) & Theme(s1,x1) & a_heavy(s1))