Two dogs playing outside.
A couple of mutts are chasing a squirrel.
The dogs are mutts.
exists e1 s1 x1 x2.(a_topic(x1) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_chase(e1) & n_squirrel(x3) & of(x1,x2) & n_mutt(x2) & n_couple(x1))