Crowd of people enjoy a concert.
None of the people enjoy a concert.
The crowd of people enjoy the concert meaning all do and none of the people don't enjoy the concert.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & n_concert(x3) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2 x3.(n_people(x2) & Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & n_concert(x3) & of(x1,x2) & n_none(x1))