premise: People are observing billboards.
hypothesis: The people are sleeping.
explanation_1: People observing billboards cannot be the ones sleeping.
premise_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_observe(e1) & n_billboard(x2) & n_people(x1))
hypothesis_logic: exists e1 x1.(n_people(x1) & Actor(e1,x1) & v_sleep(e1))
premise_sim: exists e1 x1 x2.(v_observe(e1) & n_people(x1) & n_billboard(x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_sleep(e1) & n_people(x1) & Actor(e1,x1))