premise: a man doing tricks on a motorcycle
hypothesis: A man drives a speedboat.
explanation_1: A man cannot simultaneously be doing tricks on a motorcycle and drive a speedboat,
explanation_2: Motorcycle and speedboat are not the same.
explanation_3: A motorcycle is not a speedboat.
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_motorcycle(x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_trick(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_speedboat(x2) & n_man(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_do(e1) & on(e1,x4) & n_trick(x3) & n_motorcycle(x4) & n_man(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_drive(e1) & n_speedboat(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1))