People sit in chairs at a park with a dog.
There is a big dog.
You can not infer the dog is big.
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 p1 x1 s1 x2.((x1 = x2) & n_dog(x2) & a_big(s1) & Theme(s1,x2))