Four humans and four dogs lounging in the dining area.
There are equal humans to dogs.
There are four dogs and four humans, so there are an equal number of dogs and humans.
exists e1 s1 x1 x2 x3 x4 x5.(n_area(x4) & of(x4,x5) & n_dining(x5) & a_topic(s1) & subset_of(x2,s1) & in(e1,x4) & Actor(e1,x3) & v_lounge(e1) & (x2 = x3) & n_dog(x2) & card_eq_4(x2) & subset_of(x1,s1) & n_human(x1) & card_eq_4(x1))
exists p1 x1 s1 x2 x3.((x1 = x2) & to(x2,x3) & n_dog(x3) & n_human(x2) & a_equal(s1) & Theme(s1,x2))