A man wearing a helmet is driving a go-cart.
Friends play drunk mario kart.
Playing and driving are two different actions.
exists e2 e1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_drive(e2) & n_go-cart(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kart(x2) & of(x2,x3) & n_mario(x3) & a_drunk(s1) & Theme(s1,x2) & n_friend(x1))