premise: Children nap on a floor while others stand by.
hypothesis: Children are playing childish games while others stand by.
explanation_1: it cannot be either nap or playing
explanation_2: You can’t be napping and playing childish games.
explanation_3: The children can't be napping while playing games.
premise_logic: (x)
hypothesis_logic: exists e1 p1 s1 x1 x2.(exists e2 s2 x3.(a_by(s2) & Manner(e2,s2) & Actor(e2,x3) & v_stand(e2) & -(x3 = x1) & n_person(x3)) & n_person(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & a_childish(s1) & Theme(s1,x2) & n_child(x1))