What is the sticker stuck on?
The sticker is stuck on the poster.
    src        edge_attr  dst
0     0  to the right of    7
1     0   to the left of    8
2     0  to the right of    3
3     0   to the left of    2
4     0   to the left of    4
5     1               on    0
6     1   to the left of    8
7     1  to the right of    7
8     1   to the left of    4
9     1  to the right of    3
10    1   to the left of    2
11    2  to the right of    4
12    2  to the right of    1
13    2  to the right of    0
14    3   to the left of    0
15    3   to the left of    1
16    3   to the left of    5
17    3   to the left of    9
18    4  to the right of    0
19    4  to the right of    9
20    4  to the right of    6
21    4   to the left of    2
22    4  to the right of    1
23    4   to the left of    8
24    5  to the right of    3
25    5               on    0
26    6   to the left of    4
27    7   to the left of    0
28    7   to the left of    1
29    8  to the right of    0
30    8  to the right of    4
31    8  to the right of    1
32    8  to the right of    9
33    9  to the right of    3
34    9         stuck on    0
35    9   to the left of    4
36    9   to the left of    8