A man in a suit gives a presentation to a crowd of people.
The man is in his underwear.
The man cannot both be in a suit and in his underwear.
exists e1 x1 x2 x3 x4 x5.(to(e1,x4) & of(x4,x5) & n_people(x5) & n_crowd(x4) & Theme(e1,x3) & Actor(e1,x1) & v_give(e1) & n_presentation(x3) & in(x1,x2) & n_suit(x2) & n_man(x1))
exists p1 x1 x2.(n_underwear(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & in(x1,x2))