premise: A boy wearing a helmet is jumping his skateboard.
hypothesis: A girl is picks up her skateboard.
explanation_1: a boy cannot be a girl or referred to as her, and if he or she picks an object up they cant also be jumping
explanation_2: A boy is not the same as a girl.
explanation_3: A boy is jumping his skateboard which is different than a girl picking up her skateboard.
premise_logic: exists e2 e1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_jump(e2) & n_skateboard(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & (x1 = x2) & n_boy(x1))
hypothesis_logic: exists p1 x1 x3.(exists x2.((x1 = x2) & up(x2,x3) & n_pick(x2)) & n_skateboard(x3) & of(x3,x1) & n_female(x1) & n_girl(x1))
premise_sim: exists e2 e1 x1 x2 x3 x4.(v_wear(e1) & v_jump(e2) & of(x4,x1) & n_skateboard(x4) & n_male(x1) & n_helmet(x3) & n_boy(x1) & Theme(e2,x4) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1 x3.(of(x3,x1) & n_skateboard(x3) & n_girl(x1) & n_female(x1) & exists x2.(up(x2,x3) & n_pick(x2) & (x1 = x2)))