premise: A man with a ponytail is fixing a bike.
hypothesis: The man is a mechanic.
explanation_1: Just because, a man is fixing a bike does not imply he is a mechanic.
premise_logic: exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_fix(e1) & n_bike(x3) & with(x1,x2) & n_ponytail(x2) & n_man(x1))
hypothesis_logic: exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_mechanic(x2)))
premise_sim: exists e1 x1 x2 x3.(with(x1,x2) & v_fix(e1) & n_ponytail(x2) & n_man(x1) & n_bike(x3) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_man(x1) & exists x2.(n_mechanic(x2) & (x1 = x2)))