A young boy runs.
A kid is running home.
The boy may not be running home.
exists s1 x1 x2.(a_topic(x1) & n_run(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_home(x2) & n_kid(x1))