A man, wearing a suit with a name tag, is speaking into a microphone, while standing in front of a video presentation.
A man is giving a presentation to a crowd.
A person in front of a video presentation is giving a presentation, and it is to a crowd since he is speaking into a microphone.
exists e1 e3 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(while(e2,e3) & in(e3,x7) & of(x7,x8) & n_presentation(x8) & of(x8,x9) & n_video(x9) & n_front(x7) & Actor(e3,x1) & v_stand(e3) & into(e2,x6) & n_microphone(x6) & Actor(e2,x1) & v_speak(e2) & with(e1,x4) & n_tag(x4) & of(x4,x5) & n_name(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_suit(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(to(e1,x3) & n_crowd(x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_presentation(x2) & n_man(x1))