premise: A man in a park holding a ball.
hypothesis: A man is playing basketball in the park.
explanation_1: You can not infer he is playing basketball.
explanation_2: Just because a man is holding a ball in the park it does not mean the man is playing basketball.
explanation_3: Holding a ball in a park does not imply playing basketball. A man could be playing any sport involving a ball. Or the man could be only holding the ball, not play.
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_hold(e1) & n_ball(x4) & (x2 = x3) & n_park(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_park(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2) & n_man(x1))