People in a market selling their produce.
There are people with produce in the market.
People with produce in the market implies people selling their produce.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_sell(e1) & n_produce(x3) & of(x3,x1) & n_thing(x1) & in(x1,x2) & n_market(x2) & n_people(x1))
exists p1 x1 x2.(n_market(x2) & in(p1,x2) & exists x3 x4.((x1 = x3) & with(x3,x4) & n_produce(x4) & n_people(x3)))