A man in a suit giving a speech at a podium.
A man is listening to the radio from under an overpass.
If you are giving a speech then you are talking and not listening.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & at(e1,x5) & n_podium(x5) & Theme(e1,x4) & Actor(e1,x3) & v_give(e1) & n_speech(x4) & (x2 = x3) & n_suit(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_radio(x2) & to(e1,x2) & under(x3,x4) & n_overpass(x4) & from(x2,x3) & n_thing(x3) & Actor(e1,x1) & v_listen(e1) & n_man(x1))