A man helps a boy steer a go-cart.
A man and boy with a go-cart.
If the man helps the boy steer the go-cart, then they are with the go-cart
exists e2 e1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_steer(e2) & n_go-cart(x4) & Theme(e1,x3) & Actor(e1,x2) & v_help(e1) & n_boy(x3) & (x1 = x2) & n_man(x1))
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & with(x2,x3) & n_go-cart(x3) & n_boy(x2) & subset_of(x1,s1) & n_man(x1))