Class sign ups in full swing.
People are signing up to watch the football game.
Class sign ups are not the same thing as signing up to watch the football game.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x4) & n_swing(x4) & a_full(s1) & Theme(s1,x4) & Time(x1,x3) & n_up(x3) & n_sign(x1) & of(x1,x2) & n_class(x2))
exists e1 p1 s1 x1 x2 x3 x4.(n_game(x3) & of(x3,x4) & n_football(x4) & Topic(e1,p1) & exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_watch(e2)) & a_up(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sign(e1) & n_people(x2) & n_people(x1))