Three traffic lights hang over Wilson Street.
There are possibly two or three lights on Wilson Street.
There are three traffic lights does not imply there are possibly two or three lights.
exists x1 x2 x3 x4 x5.(ne_per_street(x4) & (x4 = x5) & ne_per_wilson(x5) & a_topic(x1) & over(x1,x4) & n_hang(x1) & of(x1,x3) & n_light(x3) & of(x1,x2) & n_traffic(x2) & card_eq_3(x1))
exists p1 x1 x3 x4.(ne_per_street(x3) & (x3 = x4) & ne_per_wilson(x4) & exists s1 x2.((x1 = x2) & on(x2,x3) & ((n_light(x2) & card_eq_2(x2)) | (n_light(x2) & card_eq_3(x2))) & a_possibly(s1) & Theme(s1,x2)))