premise: A man is performing an aerial skateboard trick on a ramp with several other people behind him.
hypothesis: People watch on as a skater does a trick
explanation_1: Several people are people.
explanation_2: A man is performing an aerial skateboard trick is called as skater
explanation_3: People are watching a man who is performing an aerial skateboard trick on a ramp
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_male(x6) & n_people(x6) & with(e1,x5) & behind(x5,x6) & -(x5 = x6) & n_people(x5) & a_several(s2) & Theme(s2,x5) & on(e1,x4) & n_ramp(x4) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & of(x2,x3) & n_skateboard(x3) & a_aerial(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 p1 x1 x2.(exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_do(e2) & n_trick(x4) & n_skater(x3)) & as(e1,p1) & on(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_watch(e1) & n_people(x1))