A shoe shiner waits for customers.
A person waiting for customers outside his shop.
Just because a shoe shiner is waiting for customers does not mean there is a specific location of the waiting as outside his shop.
exists x1 x2 x3 x4.(a_topic(x1) & for(x1,x4) & n_customer(x4) & n_wait(x1) & of(x1,x3) & n_shiner(x3) & of(x1,x2) & n_shoe(x2))
exists e1 x1 x2 x3 x4.(a_topic(x1) & outside(e1,x4) & n_shop(x4) & of(x4,x1) & n_male(x1) & for(e1,x3) & n_customer(x3) & Actor(e1,x2) & v_wait(e1) & (x1 = x2) & n_person(x1))