A man and a woman sit outside of a restaurant.
The people are at a restaurant.
A man and woman are people
exists e1 x1 x2 x3 x4.(of(e1,x4) & n_restaurant(x4) & r_outside(e1) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists p1 x1.(n_people(x1) & exists x2.(at(x1,x2) & n_restaurant(x2)))