An elderly man working with several lines of string.
The man is holding string.
working with and holding is the same thing because the string would be in his hands, no matter what
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & of(x3,x4) & n_string(x4) & n_line(x3) & a_several(s2) & Theme(s2,x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_string(x2))