premise: The boy is playing basketball.
hypothesis: Jill is walking.
explanation_1: Jill is a female name, not that of a boy.  The same person cannot be walking and playing basketball at the same time.
premise_logic: exists e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2))
hypothesis_logic: exists e1 x1.(ne_per_jill(x1) & Actor(e1,x1) & v_walk(e1))
premise_sim: exists e1 x1 x2.(v_play(e1) & n_boy(x1) & n_basketball(x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_walk(e1) & ne_per_jill(x1) & Actor(e1,x1))