The couple eat their meal outside.
a couple eat dinner outside
The couple could be eating a meal other than dinner.
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 e1 s1 x1 x2.(a_outside(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_dinner(x2) & n_couple(x1))