premise: The blond boy is riding roller-coaster with his mouth wide open.
hypothesis: a woman is riding a roller-coaster
explanation_1: One cannot be a boy and woman at the same time.
explanation_2: A boy is a male child. A woman is an adult female.
explanation_3: They cannot be a woman and a boy at the same time.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(n_open(x3) & a_wide(s2) & Theme(s2,x3) & of(x3,x4) & n_mouth(x4) & of(x3,x1) & n_male(x1) & n_boy(x1) & a_blond(s1) & Theme(s1,x1) & with(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_roller-coaster(x2))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_roller-coaster(x2) & n_woman(x1))