A small brown dog is playing with a fuzzy slipper.
The dog is playful.
A dog is playful when they are playing.
exists e1 s1 s2 s3 x1 x2.(with(e1,x2) & n_slipper(x2) & a_fuzzy(s3) & Theme(s3,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_brown(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_playful(s1))