premise: Person doing a trick on a skateboard in a skate park while people watch.
hypothesis: There is a person doing leg presses at the local gym.
explanation_1: The person can not be doing leg presses at a gym if they are in a skate park doing a trick on a skateboard
explanation_2: Skateboard tricks are not leg presses. The local gym is not the park.
explanation_3: The person is either at the gym or at the skate park, doing leg presses or doing tricks.
premise_logic: exists e1 p1 x1 x2 x3 x4 x5.(ne_nam_person(x1) & exists e2 x6.(Actor(e2,x6) & v_watch(e2) & n_people(x6)) & while(e1,p1) & in(e1,x4) & n_park(x4) & of(x4,x5) & n_skate(x5) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & on(x2,x3) & n_skateboard(x3) & n_trick(x2))
hypothesis_logic: exists p1 s1 x1 x6.(n_gym(x6) & a_local(s1) & Theme(s1,x6) & exists e1 x2 x3 x4 x5.((x1 = x2) & at(e1,x6) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_press(x4) & of(x4,x5) & n_leg(x5) & (x2 = x3) & n_person(x2)))