premise: Children nap on a floor while others stand by.
hypothesis: Children are napping on a floor inside a pre school.
explanation_1: You can not infer they are napping.
explanation_2: Just because children are napping it does not mean they are inside a pre school.
explanation_3: Nap on the floor does not necessarily mean it is inside a pre school.
premise_logic: (x)
hypothesis_logic: exists e1 x1 x2 x3 x4.(on(e1,x2) & inside(x2,x3) & n_school(x3) & of(x3,x4) & n_pre(x4) & n_floor(x2) & Actor(e1,x1) & v_nap(e1) & n_child(x1))