There is a man sitting in a restaurant at night.
The man at the restaurant is waiting for his friend.
The man could be doing many other things besides waiting for his friend.
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & at(e1,x5) & n_night(x5) & in(e1,x4) & n_restaurant(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_man(x2))
exists e1 x1 x2 x3.(n_friend(x3) & of(x3,x1) & n_male(x1) & n_restaurant(x2) & n_man(x1) & for(e1,x3) & Actor(e1,x1) & v_wait(e1) & at(x1,x2))