premise: A woman and two children sightseeing.
hypothesis: Nobody is sightseeing.
explanation_1: It is impossible that nobody is sightseeing because a woman and two children are sightseeing.
premise_logic: exists e1 s1 x1 x2 x3.(a_topic(s1) & Actor(e1,x3) & v_sightsee(e1) & (s1 = x3) & subset_of(x2,s1) & n_child(x2) & card_eq_2(x2) & subset_of(x1,s1) & n_woman(x1))
hypothesis_logic: -exists e1 x1.(Actor(e1,x1) & v_sightsee(e1) & n_person(x1))
premise_sim: exists e1 s1 x1 x2 x3.(v_sightsee(e1) & subset_of(x2,s1) & subset_of(x1,s1) & n_woman(x1) & n_child(x2) & card_eq_2(x2) & a_topic(s1) & Actor(e1,x3) & (s1 = x3))
hypothesis_sim: all e1 x1.(-v_sightsee(e1) | -n_person(x1) | -Actor(e1,x1))