The couple eat their meal outside.
The couple is at a restaurant.
The couple is not necessarily eating their meal at a restaurant.
exists e1 s1 x1 x2.(n_outside(x2) & a_meal(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_couple(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1))
exists p1 x1.(n_couple(x1) & exists x2.(at(x1,x2) & n_restaurant(x2)))