premise: A person on a bmx bike.
hypothesis: The BMX bike is black.
explanation_1: The BMX bike could be another color besides black.
premise_logic: exists x1 x2 x3.(a_topic(x1) & on(x1,x2) & n_bike(x2) & of(x2,x3) & n_bmx(x3) & n_person(x1))
hypothesis_logic: exists s1 x1 x2.(n_bike(x1) & (x1 = x2) & ne_org_bmx(x2) & Theme(s1,x1) & a_black(s1))
premise_sim: exists x1 x2 x3.(on(x1,x2) & of(x2,x3) & n_person(x1) & n_bmx(x3) & n_bike(x2) & a_topic(x1))
hypothesis_sim: exists s1 x1 x2.(ne_org_bmx(x2) & n_bike(x1) & a_black(s1) & Theme(s1,x1) & (x1 = x2))