A man is holding yarn or string.
A man holding yarn.
Yarn is more specific than string.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & (n_yarn(x2) | n_string(x2)) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_yarn(x3) & (x1 = x2) & n_man(x1))