A young girl serving biscuits to an elderly man.
A girl is a waiter at a restuarant.
Not every girl serving biscuits is a waiter.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & to(e1,x4) & n_man(x4) & a_elderly(s2) & Theme(s2,x4) & Theme(e1,x3) & Actor(e1,x2) & v_serve(e1) & n_biscuit(x3) & (x1 = x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1.(exists x2 x3.((x1 = x2) & at(x2,x3) & n_restuarant(x3) & n_waiter(x2)) & n_girl(x1))