A male wearing a hat is skateboarding in front of a graffiti covered wall.
A guy participates in a board sport.
A male is a guy. Skateboarding is a board sport.
exists e2 e3 e1 x1 x2 x3 x4 x5 x6.(in(e2,x4) & of(x4,x5) & n_wall(x5) & Theme(e3,x5) & v_cover(e3) & of(x5,x6) & n_graffitus(x6) & n_front(x4) & Actor(e2,x1) & v_skateboard(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & (x1 = x2) & n_male(x1))
exists e1 x1 x2 x3.(in(e1,x2) & n_sport(x2) & of(x2,x3) & n_board(x3) & Actor(e1,x1) & v_participate(e1) & n_guy(x1))