A man is talking into a microphone while people stand around him.
A person is talking into an amplification device.
A man is a type of person, and microphone is an amplification device.
exists e1 p1 x1 x2.(exists e2 x3.(around(e2,x1) & Actor(e2,x3) & v_stand(e2) & n_people(x3)) & n_male(x1) & while(e1,p1) & into(e1,x2) & n_microphone(x2) & Actor(e1,x1) & v_talk(e1) & n_man(x1))
exists e1 x1 x2 x3.(into(e1,x2) & n_device(x2) & of(x2,x3) & n_amplification(x3) & Actor(e1,x1) & v_talk(e1) & n_person(x1))