What is leaning against the metal pole?
The bike is leaning against the pole.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of   12
2     1  to the right of    0
3     1  to the right of   12
4     4  to the right of    6
5     4        on top of   11
6     6   to the left of   12
7     6   to the left of    4
8     7           inside    5
9     7  to the right of   12
10    8   to the left of    9
11    8  to the right of   12
12    9  to the right of    8
13    9  to the right of   12
14   11       leaning on   12
15   11  leaning against   12
16   12   to the left of    7
17   12   to the left of    9
18   12   to the left of    1
19   12  to the right of    0
20   12   to the left of    8
21   12  to the right of    6