Toddlers having a sleepover, sitting on the couch, giggling at TV.
There are 4 teenagers having a sleepover.
The people having a sleepover are either toddlers or teenagers, but not both.
exists e3 e1 e2 x1 x2 x3 x4.(ne_nam_toddlers(x1) & n_couch(x3) & at(e3,x4) & n_tv(x4) & Actor(e3,x1) & v_giggle(e3) & on(e2,x3) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_sleepover(x2))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_have(e1) & n_sleepover(x4) & (x2 = x3) & n_teenager(x2) & n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2))