A mother and child are playing a game where the child is a cashier and the mother is a customer.
There is a mother and a child playing a game while they wait at a doctor's office.
just because a mother and a child are playing a game doesn't mean they are waiting at the doctor's office
exists e1 p1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & exists p2 p3.(exists x6.((x2 = x6) & n_customer(x6)) & exists x5.((x3 = x5) & n_cashier(x5))) & n_mother(x2) & n_mother(x2) & n_child(x3) & n_child(x3) & where(x4,p1) & n_game(x4) & subset_of(x3,x1) & subset_of(x2,x1))
exists p1 x1 e1 p2 x2 x3 x4 x5 x6.((x1 = x2) & subset_of(x4,x2) & exists e2 x7 x8.(at(e2,x8) & n_office(x8) & of(x8,x7) & n_doctor(x7) & Actor(e2,x3) & v_wait(e2)) & n_thing(x3) & while(e1,p2) & Theme(e1,x6) & Actor(e1,x5) & v_play(e1) & n_game(x6) & (x4 = x5) & n_child(x4) & subset_of(x3,x2) & n_mother(x3))