What is the woman on?
The woman is on the platform.
    src        edge_attr  dst
0     0   to the left of   11
1     1   to the left of   11
2     1               on   15
3     2  to the right of    8
4     3   to the left of    9
5     3   to the left of    5
6     4  to the right of   12
7     4   to the left of    6
8     5  to the right of    3
9     6  to the right of   13
10    6  to the right of   12
11    6  to the right of    7
12    6  to the right of    4
13    7  to the right of   12
14    7   to the left of    6
15    8   to the left of    2
16    9  to the right of    3
17    9               by    2
18    9  to the right of   11
19   11  to the right of    0
20   11   to the left of    9
21   11  to the right of   13
22   11  to the right of    1
23   12   to the left of    6
24   12   to the left of    4
25   12   to the left of    7
26   13   to the left of    6
27   13   to the left of   11