A woman sells vegetables out of a mobile street cart.
A man is buying vegies.
It is either a woman, or a man. They are either selling vegetables, or buying them.
exists e1 s1 x1 x2 x3 x4.(of(e1,x3) & n_cart(x3) & of(x3,x4) & n_street(x4) & a_mobile(s1) & Theme(s1,x3) & r_out(e1) & Theme(e1,x2) & Actor(e1,x1) & v_sell(e1) & n_vegetable(x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_vegy(x2) & n_man(x1))