A woman carrying a tray with drinks on it.
There are drinks on the tray.
Drinks on the tray implies a there is woman carrying the tray.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & with(x3,x4) & on(x4,x1) & n_thing(x1) & n_drink(x4) & n_tray(x3) & (x1 = x2) & n_woman(x1))
exists p1 x1 x3.(n_tray(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_drink(x2)))