Nancy Pelosi is giving a speech.
A speech is being presented.
A speech is always presented by a person, in this case Nancy Pelosi.
exists e1 x1 x2 x3.(ne_per_pelosi(x1) & (x1 = x2) & ne_per_nancy(x2) & Theme(e1,x3) & Actor(e1,x1) & v_give(e1) & n_speech(x3))
exists e1 x1.(Theme(e1,x1) & v_present(e1) & n_speech(x1))