A man is pushing a cart selling drinks.
A sad man is pushing a cart selling drinks.
a man doesn't have to be sad he could be happy pushing a car and selling drinks
exists e1 e2 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_sell(e2) & n_drink(x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_cart(x2) & n_man(x1))
exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_sell(e2) & n_drink(x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_cart(x2) & n_man(x1) & a_sad(s1) & Theme(s1,x1))