Customers examine the menu of street cafe.
The people are going to sleep.
One cannot be in a street cafe and be going to sleep simultaneously.
exists e1 x1 x2 x3 x4.(n_menu(x2) & Theme(e1,x2) & Actor(e1,x1) & v_examine(e1) & of(x2,x3) & n_cafe(x3) & of(x3,x4) & n_street(x4) & n_customer(x1))
exists e1 p1 x1.(n_people(x1) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2.(Actor(e2,x1) & v_sleep(e2)))