premise: Boy standing in line in a grocery store with his items on the conveyor belt.
hypothesis: He is running playing basketball.
explanation_1: the boy can't be standing in line and running at the same time
explanation_2: The boy cannot be running playing  basketball if he is standing in line at the store.
explanation_3: The boy can't be standing and running at the same time.
premise_logic: exists x1 x2 x3 x4 x5 x6 x7 x8.(n_belt(x7) & of(x7,x8) & n_conveyor(x8) & a_topic(x1) & in(x1,x3) & with(x3,x6) & on(x6,x7) & n_item(x6) & of(x6,x1) & n_male(x1) & in(x3,x4) & n_store(x4) & of(x4,x5) & n_grocery(x5) & n_line(x3) & n_standing(x1) & (x1 = x2) & ne_nam_boy(x2))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_basketball(x2) & of(x2,x1) & n_playing(x1) & n_male(x1))