Do you see any bag on the dock?
Yes, there are bags on the dock.
    src        edge_attr  dst
0     2  to the right of    6
1     2  to the right of    4
2     2  to the right of    7
3     2  to the right of    3
4     3   to the left of    2
5     4   to the left of    2
6     4  to the right of    7
7     5   to the left of    7
8     5               on    0
9     6   to the left of    2
10    7  to the right of    5
11    7   to the left of    4
12    7   to the left of    2
13    8               in    1