premise: Trash litters the ground.
hypothesis: There is a napkin on the ground.
explanation_1: There is no description of the trash therefore we do not know it is a napkin.
premise_logic: exists e1 x1 x2.(n_ground(x2) & ne_nam_trash(x1) & Theme(e1,x2) & Actor(e1,x1) & v_litter(e1))
hypothesis_logic: exists p1 x1 x3.(n_ground(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_napkin(x2)))
premise_sim: exists e1 x1 x2.(v_litter(e1) & ne_nam_trash(x1) & n_ground(x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 x3.(n_ground(x3) & exists x2.(on(x2,x3) & n_napkin(x2) & (x1 = x2)))