premise: A boy cooking on a grill.
hypothesis: A boy sleeping under a tree.
explanation_1: One cannot be cooking while sleeping.
explanation_2: A boy cannot be busy cooking while he is sleeping.
explanation_3: A boy cannot be cooking and sleeping at the same time.
premise_logic: exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_grill(x3) & n_cooking(x1) & of(x1,x2) & n_boy(x2))
hypothesis_logic: exists e1 x1 x2 x3.(a_topic(x1) & under(e1,x3) & n_tree(x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_boy(x1))