A teenage boy with a red hat sits along side a pedestrian bridge while people walk by.
Nobody has a hat
A teenage boy is not typically named Nobody. In addition, the teenage boy has a red hat, and Nobody infers one does not have a hat.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(while(e1,x6) & a_by(s3) & Manner(e2,s3) & Theme(e2,x7) & v_walk(e2) & (x6 = x7) & n_people(x6) & along(e1,x5) & n_side(x5) & Theme(e1,x4) & Actor(e1,x1) & v_sit(e1) & n_bridge(x4) & a_pedestrian(s2) & Theme(s2,x4) & with(x1,x3) & n_hat(x3) & a_red(s1) & Theme(s1,x3) & n_boy(x1) & of(x1,x2) & n_teenage(x2))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_hat(x2) & n_person(x1))