premise: A boy plays basketball.
hypothesis: A boy is playing football.
explanation_1: Playing is now, plays could mean playing at any time.   Basketball and football are two different sports.
explanation_2: A boy cannot play basketball and football at a time.
explanation_3: Football and basketball are two different sports.
premise_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_football(x2) & n_boy(x1))
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 x2.(v_play(e1) & n_football(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1))