premise: The man in the black shirt is skateboarding on the front steps of the building.
hypothesis: A person with a dark top is outside doing something active.
explanation_1: Man is person, and skateboarding is doing something active.
explanation_2: A man is a person and skateboarding is doing something active.
explanation_3: A black top is dark and skateboarding is active.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(n_building(x4) & n_step(x3) & a_front(s2) & Theme(s2,x3) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1) & on(e1,x3) & of(x3,x4) & Actor(e1,x1) & v_skateboard(e1) & in(x1,x2))
hypothesis_logic: exists e1 s1 s2 s3 x1 x2 x3 x4.(for(s2,e1) & Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & Theme(s3,x4) & a_active(s3) & (x3 = x4) & n_thing(x3) & Theme(s2,x1) & a_outside(s2) & with(x1,x2) & n_top(x2) & a_dark(s1) & Theme(s1,x2) & n_person(x1))