premise: A young boy in a red shirt is wearing a helmet while sitting on a motorcycle.
hypothesis: A young boy wears a helmet while on a motorcycle.
explanation_1: It is implied he is sitting on the a motorcycle if he is on it.
explanation_2: A young boy in a red shirt wearing a helmet incorporates young boy wears a helmet and while sitting on a motorcycle is the same as while on a motorcycle.
explanation_3: One must be sitting on a motorcycle to be on it.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4.(while(e1,e2) & on(e2,x4) & n_motorcycle(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_helmet(x3) & in(x1,x2) & n_shirt(x2) & a_red(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(on(e1,x3) & n_motorcycle(x3) & r_while(e1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_helmet(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
premise_sim: exists e2 e1 s1 s2 x1 x2 x3 x4.(while(e1,e2) & v_wear(e1) & v_sit(e2) & on(e2,x4) & n_shirt(x2) & n_motorcycle(x4) & n_helmet(x3) & n_boy(x1) & in(x1,x2) & a_young(s1) & a_red(s2) & Theme(s2,x2) & Theme(s1,x1) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1 x2 x3.(v_wear(e1) & r_while(e1) & on(e1,x3) & n_motorcycle(x3) & n_helmet(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))