premise: A man is performing an aerial skateboard trick on a ramp with several other people behind him.
hypothesis: A person with a skateboard is performing a trick on a ramp near some people.
explanation_1: A man is a person and to be performing an aerial skateboard trick implies he has a skateboard
explanation_2: A man is performing an aerial skateboard with person with a skateboard performing (aerial skateboard) trick as part of the total description with several other people behind him or  near some people.
explanation_3: The person is performing a trick because he is performing an aerial skateboard trick.
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 x1 x2 x3 x4 x5.(on(e1,x4) & near(x4,x5) & n_people(x5) & n_ramp(x4) & Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_trick(x3) & with(x1,x2) & n_skateboard(x2) & n_person(x1))