premise: A man is performing an aerial skateboard trick on a ramp with several other people behind him.
hypothesis: He does a sick bicycle trick off the ramp
explanation_1: Skateboards and bicycles are two different items to do tricks on. One cannot do a skateboard trick and a bicycle trick simultaneosuly.
explanation_2: One cannot be doing a skateboard trick and a bicycle trick at the same time.
explanation_3: A skateboard is not the same as a bicycle.
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 s1 x1 x2 x3.(n_ramp(x3) & off(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & of(x2,x1) & n_bicycle(x1) & a_sick(s1) & Theme(s1,x2) & n_male(x1))