A worker cleaning up a demolition site.
An individual is working in the midst of debris.
"Cleaning up a demolition site" implies "working in the midst of debris".
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_clean(e1) & n_site(x3) & of(x3,x4) & n_demolition(x4) & (x1 = x2) & n_worker(x1))
exists e1 x1 x2 x3.(n_midst(x2) & in(e1,x2) & of(x2,x3) & n_debris(x3) & Actor(e1,x1) & v_work(e1) & n_individual(x1))