Three traffic lights hang over Wilson Street.
Four traffic lights hang over Wilson Street.
The pieces of information that contradict each other is the number of Traffic lights mentioned as four against the three mentioned in first sentence.
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 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_4(x1))