A passerby and a sidewalk construction worker.
A person stops to gawk at the construction.
A passerby existing near a construction worker does not imply that the passerby stops or that they gawk.
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & n_worker(x2) & of(x2,x4) & n_construction(x4) & of(x2,x3) & n_sidewalk(x3) & subset_of(x1,s1) & n_passerby(x1))
exists e1 p1 x1 x2.(n_construction(x2) & Topic(e1,p1) & Actor(e1,x1) & v_stop(e1) & exists e2.(at(e2,x2) & Actor(e2,x1) & v_gawk(e2)) & n_person(x1))