premise: A skateboarder grinding a lip.
hypothesis: There are no people around.
explanation_1: A Skateboarder grinding a lip but there is no people around him.
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_grind(e1) & n_lip(x3) & (x1 = x2) & n_skateboarder(x1))
hypothesis_logic: exists p1 x1.-exists x2.((x1 = x2) & r_around(x2) & n_people(x2))
premise_sim: exists e1 x1 x2 x3.(v_grind(e1) & n_skateboarder(x1) & n_lip(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1.all x2.(-r_around(x2) | -n_people(x2) | -(x1 = x2))