Man with computer giving speech.
The man is talking.
Man giving speech means is talking.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_give(e1) & n_speech(x4) & (x2 = x3) & n_computer(x2) & n_man(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_talk(e1))