premise: A boy whiffs a ball with a bat.
hypothesis: The boy is playing baseball.
explanation_1: You can whiff a ball and it not be a baseball.
explanation_2: Just because a  boy whiffs a ball with a bat it does not mean he is playing baseball.
explanation_3: A boy can play with a bat and ball without playing baseball.
premise_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_whiff(e1) & with(x2,x3) & n_bat(x3) & n_ball(x2) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_baseball(x2))
premise_sim: exists e1 x1 x2 x3.(with(x2,x3) & v_whiff(e1) & n_boy(x1) & n_bat(x3) & n_ball(x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_play(e1) & n_boy(x1) & n_baseball(x2) & Theme(e1,x2) & Actor(e1,x1))