People in a market buying fruits and vegetables
People are buying supper.
They could eat fruit at any meal and not just supper.
exists s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x5,s1) & n_vegetable(x5) & subset_of(x1,s1) & in(x1,x2) & n_fruit(x2) & of(x2,x4) & n_buying(x4) & of(x2,x3) & n_market(x3) & n_people(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_supper(x2) & n_people(x1))