A group of people in front of a tent that is selling vegetables.
a group of people are in a brick building
People cannot be in front of a tent while being in a brick building.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & Theme(e1,x6) & Actor(e1,x5) & v_sell(e1) & n_vegetable(x6) & (x2 = x5) & in(x2,x3) & of(x3,x4) & n_tent(x4) & n_front(x3) & n_people(x2) & n_group(x1))
exists p1 x1 x2.(exists x3 x4.(in(x1,x3) & n_building(x3) & of(x3,x4) & n_brick(x4)) & of(x1,x2) & n_people(x2) & n_group(x1))