Three men in an auditorium prepare to tape something.
The three men were working on something
Because they want to tape something doesn't mean they are working on something.
exists e1 x1 x2 x3 x4.(to(e1,x4) & n_tape(x4) & Theme(e1,x3) & Actor(e1,x1) & v_prepare(e1) & n_thing(x3) & in(x1,x2) & n_auditorium(x2) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_man(x1) & card_eq_3(x1) & on(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_work(e1))