The brown dog is playing with a stick.
An animal is playing.
A brown dog is an animal.
exists e1 s1 x1 x2.(n_dog(x1) & a_brown(s1) & Theme(s1,x1) & with(e1,x2) & n_stick(x2) & Actor(e1,x1) & v_play(e1))
exists e1 x1.(Actor(e1,x1) & v_play(e1) & n_animal(x1))