premise: A boy in a blue bathing suit jumps with his arms in the air in a backyard setting.
hypothesis: A boy falls down on the grass.
explanation_1: The boy jumps, or the boy falls, not both.
explanation_2: A boy cannot jump and fall down at the same time.
explanation_3: If he jumps, he cannot fall down at the same time.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_air(x5) & with(e1,x4) & in(x4,x5) & in(x5,x6) & n_setting(x6) & a_backyard(s2) & Theme(s2,x6) & n_arm(x4) & of(x4,x1) & n_male(x1) & Actor(e1,x1) & v_jump(e1) & in(x1,x2) & n_suit(x2) & of(x2,x3) & n_bathing(x3) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_grass(x2) & on(e1,x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_fall(e1) & n_boy(x1))