The woman in front of the shelf is leaning on what?
The woman is leaning on the wall.
    src        edge_attr  dst
0     0  to the right of    4
1     1   to the left of    6
2     3   to the left of   14
3     3   to the left of    6
4     3   to the left of   12
5     3          holding    9
6     4   to the left of    0
7     4   to the left of   13
8     6       leaning on    2
9     6      in front of   11
10    6  to the right of    1
11    6  to the right of    8
12    6  to the right of    3
13    6  standing beside    3
14    7            below    6
15    8   to the left of   12
16    8   to the left of   14
17    8   to the left of    6
18   10               of    6
19   11           behind    6
20   12  to the right of    3
21   12  to the right of    8
22   13  to the right of    4
23   14  to the right of    3
24   14  to the right of    8