A small boy running track
An athlete competes in the javelin throw.
A person cannot be running track while they are competing in the javelin throw.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_run(e1) & n_track(x3) & (x1 = x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_javelin(x2) & Actor(e1,x1) & v_throw(e1) & in(x1,x2) & n_compete(x1) & a_athlete(s1) & Theme(s1,x1))