A man in a black shirt and jeans appears to be working on some piping system.
A man working on some old pipes after being told they needed repairing.
just because a man is working on a pining system does not imply that the pipe is old and that it needed repairing.
exists e1 p1 s1 x1 x2 x3 x4.(Topic(e1,p1) & Actor(e1,x1) & v_appear(e1) & exists e2 x5 x6.(on(e2,x5) & n_system(x5) & of(x5,x6) & n_piping(x6) & Actor(e2,x1) & v_work(e2)) & in(x1,x2) & subset_of(x4,x2) & n_jeans(x4) & subset_of(x3,x2) & n_shirt(x3) & a_black(s1) & Theme(s1,x3) & n_man(x1))
exists e2 e1 p1 s1 x1 x2 x3.(a_topic(x1) & after(e1,e2) & exists e3 x4.(Theme(e3,x4) & Actor(e3,x1) & v_need(e3) & n_repair(x4)) & n_thing(x1) & Recipient(e2,p1) & Topic(e2,x2) & v_tell(e2) & on(e1,x3) & n_pipe(x3) & a_old(s1) & Theme(s1,x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))