Three men walking next to a tent with a billboard sign on it.
There is a circus.
Just because there is a tent with a billboard sign doesn't mean there is a circus.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x1) & n_thing(x1) & with(e1,x4) & n_sign(x4) & of(x4,x5) & n_billboard(x5) & to(e1,x3) & n_tent(x3) & r_next(e1) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1) & card_eq_3(x1))
exists p1 x1 x2.((x1 = x2) & n_circus(x2))