premise: A man does a skating trick off of graffiti-filled stairs.
hypothesis: A man skates outside.
explanation_1: It is implied that the graffiti-filled stairs are outside.
explanation_2: A man does a staking trick means there is a man who stakes outside (graffiti-filled stairs)
explanation_3: Man does skating trick off graffiti-filled stairs
premise_logic: exists e2 e1 s1 x1 x2 x3.(of(e2,x3) & n_stair(x3) & a_graffiti-filled(s1) & Theme(s1,x3) & r_off(e2) & Theme(e2,x2) & Actor(e2,x1) & v_do(e2) & n_trick(x2) & Actor(e1,x2) & v_skate(e1) & n_man(x1))
hypothesis_logic: exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_skate(e1) & n_man(x1))