People speaking on their charity.
Men speaking on their charity.
Just because people are speaking doesn't mean that only men are speaking.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_charity(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_speak(e1) & (x1 = x2) & n_people(x1))
exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_charity(x3) & of(x3,x1) & n_thing(x1) & n_speaking(x1) & of(x1,x2) & n_man(x2))