premise: An older man sleeping in a folding chair on the street.
hypothesis: A man is looking at the ground.
explanation_1: The man cannot simultaneously be sleeping and looking at the ground
explanation_2: The man is either sleeping or looking.
explanation_3: A man cant look out while sleeping.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & in(e1,x3) & on(x3,x4) & n_chair(x3) & a_folding(s2) & Theme(s2,x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_ground(x2) & at(e1,x2) & Actor(e1,x1) & v_look(e1) & n_man(x1))