Two people are outside walking their dog.
Two people are taking their dog and themselves outside for exercise.
It cannot be inferred that the people and dog are outside for exercise.
exists e1 s1 x1 x2.(for(s1,e1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x2) & of(x2,x1) & n_thing(x1) & Theme(s1,x1) & a_outside(s1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(n_group(x4) & for(e1,x5) & n_exercise(x5) & r_outside(e1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & subset_of(x4,x2) & subset_of(x3,x2) & n_dog(x3) & of(x3,x1) & n_thing(x1) & n_people(x1) & card_eq_2(x1))