premise: A person wearing a red shirt is falling off a white surfboard.
hypothesis: A person is falling off their bicycle.
explanation_1: The person can not be riding a surfboard and a bicycle at the same time.
explanation_2: A person falling off their bicycle can not simultaneously be falling off a white surfboard.
explanation_3: A surfboard isn't a bicycle.
premise_logic: exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(a_off(s3) & Manner(e2,s3) & Theme(e2,x4) & Actor(e2,x1) & v_fall(e2) & n_surfboard(x4) & a_white(s2) & Theme(s2,x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))
hypothesis_logic: exists e1 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_bicycle(x2) & of(x2,x1) & n_thing(x1) & n_person(x1))