premise: A man walks on a low tightrope under a tree.
hypothesis: There is no tightrope.
explanation_1: The man is walking on a tightrope. There cannot be no tightrope if a man is walking on a tightrope.
premise_logic: exists e1 s1 x1 x2 x3.(under(e1,x3) & n_tree(x3) & on(e1,x2) & n_tightrope(x2) & a_low(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))
hypothesis_logic: exists p1 x1.-exists x2.((x1 = x2) & n_tightrope(x2))
premise_sim: exists e1 s1 x1 x2 x3.(v_walk(e1) & under(e1,x3) & on(e1,x2) & n_tree(x3) & n_tightrope(x2) & n_man(x1) & a_low(s1) & Theme(s1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.all x2.(-n_tightrope(x2) | -(x1 = x2))