A man is playing a drum in a marching band.
They are eating cookies.
One cannot be eating cookies while playing a drum.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & in(x2,x3) & n_band(x3) & a_marching(s1) & Theme(s1,x3) & n_drum(x2) & n_man(x1))
exists e1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_cookie(x2))