An elderly man is in a market.
An elderly man is buying food
Markets sell more than food.
exists p1 s1 x1.(exists x2.(in(x1,x2) & n_market(x2)) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_food(x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))