premise: Two men fixing a bicycle.
hypothesis: Two men work on a motorcycle.
explanation_1: A bicycle is self powered. A motorcycle requires an engine.
explanation_2: The men either work on a bicycle or motorcycle.
explanation_3: A bicycle is not a motorcycle.
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_fix(e1) & n_bicycle(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(on(e1,x2) & n_motorcycle(x2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_2(x1))