People sit in chairs at a park with a dog.
The dog is inside.
If they are at the park, then they are not inside.
exists e1 x1 x2 x3 x4.(at(e1,x3) & with(x3,x4) & n_dog(x4) & n_park(x3) & in(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists e1 s1 x1.(n_dog(x1) & a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_be(e1))