premise: A skateboarding youth does a trick on a rail.
hypothesis: A man painting a tree.
explanation_1: A skateboarding youth cannot be the same person as a man painting.
explanation_2: A youth is not a man.  Skateboading on a rail is not painting a tree.
explanation_3: The man wouldn't let the man do a trick on a rail while he's painting a tree
premise_logic: exists e1 e2 x1 x2 x3.(on(e2,x3) & n_rail(x3) & Theme(e2,x2) & Actor(e2,x1) & v_do(e2) & n_trick(x2) & n_youth(x1) & Actor(e1,x1) & v_skateboard(e1))
hypothesis_logic: exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_paint(e1) & n_tree(x3) & (x1 = x2) & n_man(x1))
premise_sim: exists e1 e2 x1 x2 x3.(v_skateboard(e1) & v_do(e2) & on(e2,x3) & n_youth(x1) & n_trick(x2) & n_rail(x3) & Theme(e2,x2) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_paint(e1) & n_tree(x3) & n_man(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))