A person is preparing to send a piece of paper through a paper shredder.
A person is eating a meal.
You would not be preparing to send paper through a shredder while eating a meal.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 x2 x3 x4 x5.(through(e2,x4) & n_shredder(x4) & of(x4,x5) & n_paper(x5) & Theme(e2,x2) & Actor(e2,x1) & v_send(e2) & of(x2,x3) & n_paper(x3) & n_piece(x2)) & n_person(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_meal(x2) & n_person(x1))