premise: A person is walking a bicycle down a city street.
hypothesis: The person is swimming.
explanation_1: One cannot simultaneously be walking and swimming.
explanation_2: Swimming a walking a bicycle can't be done by the same person at the same time.
explanation_3: You cannot be swimming and walking at the same time.
premise_logic: exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & down(x2,x3) & n_street(x3) & of(x3,x4) & n_city(x4) & n_bicycle(x2) & n_person(x1))
hypothesis_logic: exists p1 x1.(n_person(x1) & exists x2.((x1 = x2) & n_swimming(x2)))
premise_sim: exists e1 x1 x2 x3 x4.(v_walk(e1) & of(x3,x4) & n_street(x3) & n_person(x1) & n_city(x4) & n_bicycle(x2) & down(x2,x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_person(x1) & exists x2.(n_swimming(x2) & (x1 = x2)))