premise: A young man does tricks on his skateboard.
hypothesis: A youth engages in athleticism.
explanation_1: The man does tricks on his skateboard as a form of athleticism.
explanation_2: Young man is a youth, and tricks on his skateboard implies engages in athleticism.
explanation_3: A young man is a youth, doing tricks on a skateboard is engaging in athleticism
premise_logic: exists e1 s1 x1 x2 x3.(on(e1,x3) & n_skateboard(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(in(e1,x2) & n_athleticism(x2) & Actor(e1,x1) & v_engage(e1) & n_youth(x1))
premise_sim: exists e1 s1 x1 x2 x3.(v_do(e1) & on(e1,x3) & of(x3,x1) & n_trick(x2) & n_skateboard(x3) & n_man(x1) & n_male(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_engage(e1) & n_youth(x1) & n_athleticism(x2) & in(e1,x2) & Actor(e1,x1))