A man is standing before a classroom and speaking.
The man is lecturing to the kids about jazz theory
Just because someone is speaking, doesn't mean it is about jazz theory.
exists e1 x1 x2 x3 x4.(before(e1,x2) & n_speaking(x4) & n_classroom(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_kid(x2) & n_man(x1) & to(e1,x2) & about(x2,x3) & n_theory(x3) & of(x3,x4) & n_jazz(x4) & Actor(e1,x1) & v_lecture(e1))