An individual walking by a bridge and a factory.
A person is near structures.
a bridge and a factory are structures.
exists s1 x1 x2 x3 x4.(a_topic(x1) & by(x1,x2) & subset_of(x4,x2) & n_factory(x4) & subset_of(x3,x2) & n_bridge(x3) & n_walking(x1) & a_individual(s1) & Theme(s1,x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_structure(x2) & a_near(s1) & Theme(s1,x2)) & n_person(x1))