A crowd enjoying people street dancing.
There is no one in the street.
First, we have people street dancing and next we have no one in the street.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_street(x3) & Time(x3,x4) & n_dancing(x4) & n_people(x3) & (x1 = x2) & n_crowd(x1))
exists p1 x1 x3.(n_street(x3) & -exists x2.((x1 = x2) & in(x2,x3) & n_one(x2)))