A shoe shiner waits for customers.
The shoe shiner is happy to wait for customers
A shoe shiner is not always happy to wait for customers.
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 p1 s1 x1 x2.(n_shiner(x1) & of(x1,x2) & n_shoe(x2) & Topic(s1,p1) & Actor(s1,x1) & a_happy(s1) & exists e1 x3.(for(e1,x3) & n_customer(x3) & Actor(e1,x1) & v_wait(e1)))