A woman working on a painting of a young woman on a wall with tan skin.
A women is a great artist and has no problem painting her friend.
The sentence doesnt say whether the woman is a great artist or not, or whether she is painting her friend or if she's even painting it. she could be cleaning or restoring/preserving it. Its not specific.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(e1,x6) & n_skin(x6) & a_tan(s2) & Theme(s2,x6) & on(e1,x5) & n_wall(x5) & on(e1,x3) & of(x3,x4) & n_woman(x4) & a_young(s1) & Theme(s1,x4) & n_painting(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_woman(x1))
exists p1 x1 x2 x6.(-exists e2 e1 x4 x5.(Theme(e2,x4) & Actor(e2,x2) & v_have(e2) & Theme(e1,x6) & Actor(e1,x5) & v_paint(e1) & (x4 = x5) & n_problem(x4)) & n_friend(x6) & of(x6,x1) & n_female(x1) & n_woman(x2) & exists s1 x3.((x1 = x3) & n_artist(x3) & a_great(s1) & Theme(s1,x3)) & n_woman(x1))