A variety of people squatting with their dogs.
The people are at the dog park.
People squatting with their dogs doesn't necessarily mean they are at the dog park.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & with(e1,x4) & n_dog(x4) & of(x4,x1) & n_thing(x1) & Actor(e1,x3) & v_squat(e1) & (x2 = x3) & n_people(x2) & n_variety(x1))
exists p1 x1 x2 x3.(n_park(x2) & of(x2,x3) & n_dog(x3) & n_people(x1) & at(x1,x2))