A man in a blue shirt is talking on a microphone, in front of people sitting down.
The man is a motivational speaker.
Not all men speaking in a microphone is a motivational speaker.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(in(e1,x4) & of(x4,x5) & a_down(s2) & Manner(e2,s2) & Actor(e2,x6) & v_sit(e2) & (x5 = x6) & n_people(x5) & n_front(x4) & on(e1,x3) & n_microphone(x3) & Actor(e1,x1) & v_talk(e1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists s1 x2.((x1 = x2) & n_speaker(x2) & a_motivational(s1) & Theme(s1,x2)))