A man is giving a presentation in front of a crowd.
The man is sitting on the toilet in the bathroom.
Giving a presentation isn't sitting on a toilet.
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & in(x2,x3) & of(x3,x4) & n_crowd(x4) & n_front(x3) & n_presentation(x2) & n_man(x1))
exists e1 x1 x2 x3.(n_bathroom(x3) & n_toilet(x2) & n_man(x1) & in(e1,x3) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))