A man balancing a ball on his arm.
The man is a professional basketball player, and is showing off his ball-handling skills.
A man who is not a professional can also balance a ball.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_balance(e1) & on(x3,x4) & n_arm(x4) & of(x4,x1) & n_male(x1) & n_ball(x3) & (x1 = x2) & n_man(x1))
exists e1 p1 s1 x1 x2 x3.(n_skill(x2) & of(x2,x3) & n_ball-handling(x3) & of(x2,x1) & n_male(x1) & n_man(x1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & exists s2 x4 x5.((x1 = x4) & n_player(x4) & of(x4,x5) & n_basketball(x5) & a_professional(s2) & Theme(s2,x4)))