People stand outside of a market.
People are near a market.
Being outside of a market implies not being near a market.
exists e1 x1 x2.(of(e1,x2) & n_market(x2) & r_outside(e1) & Actor(e1,x1) & v_stand(e1) & n_people(x1))
exists p1 x1.(exists x2.(near(x1,x2) & n_market(x2)) & n_people(x1))