a man is sleeping in a booth at a restaurant.
a man is indoors
A restaurant is indoors, usually.
exists e1 x1 x2 x3.(at(e1,x3) & n_restaurant(x3) & in(e1,x2) & n_booth(x2) & Actor(e1,x1) & v_sleep(e1) & n_man(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_indoor(x2)) & n_man(x1))