Three men in an auditorium prepare to tape something.
CIA spies are preparing to eavesdrop on students in a classroom.
Not all men are  CIA spies. The fact that three men prepare to tape something doesn't imply that they are preparing to evasdrop on students in classroom .
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 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 x3 x4.(on(e2,x3) & in(x3,x4) & n_classroom(x4) & n_student(x3) & Actor(e2,x1) & v_eavesdrop(e2)) & n_spy(x1) & (x1 = x2) & ne_org_cia(x2))