Is the chain on a bike?
Yes, the chain is on a bike.
    src        edge_attr  dst
0     0           behind    6
1     0   to the left of    4
2     1           behind    6
3     2               on    6
4     2  to the right of    7
5     3        on top of    6
6     4               on    6
7     4  to the right of    0
8     5   to the left of    8
9     6      in front of    7
10    6      in front of    1
11    6             near    7
12    6      in front of    0
13    6      in front of    8
14    7   to the left of    2
15    7           behind    6
16    7             near    6
17    8  to the right of    5
18    8           behind    6
19    9               on    6