A construction worker peering over a ledge.
A human peering.
A construction worker is a human.
exists e1 x1 x2 x3 x4.(a_topic(x1) & over(e1,x4) & n_ledge(x4) & Actor(e1,x3) & v_peer(e1) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists s1 x1.(a_topic(x1) & n_peering(x1) & a_human(s1) & Theme(s1,x1))