People viewing produce at a marketplace.
People are eating dinner in a fine restaurant.
Although one can be viewing produce and eating dinner, one cannot be at a marketplace as well as a fine dining restaurant.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_view(e1) & at(x3,x4) & n_marketplace(x4) & n_produce(x3) & (x1 = x2) & n_people(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & in(x2,x3) & n_restaurant(x3) & a_fine(s1) & Theme(s1,x3) & n_dinner(x2) & n_people(x1))