The waiter with a white shirt and black vest is waiting on the people in the restaurant with a big mirror in the wall.
The waiter is asking the customers what they want.
Because the waiter is waiting on the people doesn't mean he is actually asking them what they want.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(n_wall(x8) & n_restaurant(x6) & n_people(x5) & n_waiter(x1) & in(e1,x8) & in(e1,x6) & with(x6,x7) & n_mirror(x7) & a_big(s3) & Theme(s3,x7) & on(e1,x5) & Actor(e1,x1) & v_wait(e1) & with(x1,x2) & n_vest(x4) & a_black(s2) & Theme(s2,x4) & n_shirt(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_white(s1) & Theme(s1,x2))
exists x1 x3.(n_customer(x3) & n_thing(x3) & n_waiter(x1) & exists e2 e1 x2.(n_thing(x2) & Recipient(e2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_ask(e2) & Theme(e1,x2) & Actor(e1,x3) & v_want(e1)))