An umpire marking a base.
The coach giving a pep talk
A coach and an umpire do different things.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_mark(e1) & n_base(x3) & (x1 = x2) & n_umpire(x1))
exists e1 x1 x2 x3 x4.(n_coach(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_give(e1) & n_talk(x3) & of(x3,x4) & n_pep(x4) & (x1 = x2))