A construction worker in jeans is climbing scaffolding.
A person is attempting to scale some scaffolding.
A worker is climbing scaffolding is the same thing as a person attempting to scale scaffolding.
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_climb(e1) & n_scaffolding(x4) & in(x1,x3) & n_jeans(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_attempt(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_scale(e2) & n_scaffolding(x2)) & n_person(x1))