A man wearing a safety harness is walking on a tight wire across a ravine.
A man is working.
The man could be walking across a ravine for pleasure not working.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(across(e2,x6) & n_ravine(x6) & on(e2,x5) & n_wire(x5) & a_tight(s1) & Theme(s1,x5) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_harness(x3) & of(x3,x4) & n_safety(x4) & (x1 = x2) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_work(e1) & n_man(x1))