A quarterback hands off the football to a running back.
The running back prepares to score a touchdown.
Not all running back handed with a ball prepares to score a touchdown.
exists s1 x1 x2 x3 x4 x5.(n_football(x3) & a_topic(x1) & off(x1,x3) & to(x3,x4) & Theme(s1,x5) & a_back(s1) & (x4 = x5) & n_run(x4) & n_hand(x1) & of(x1,x2) & n_quarterback(x2))
exists e1 s1 x1 x2.(n_run(x1) & all x3.(n_touchdown(x3) -> exists x4.(to(e1,x4) & for(x4,x3) & n_score(x4))) & Actor(e1,x1) & v_prepare(e1) & Theme(s1,x2) & a_back(s1) & (x1 = x2))