Are there any black backpacks or briefcases?
No, there is a backpack but it is blue.
     src        edge_attr  dst
0      0   to the left of   11
1      0  to the right of    2
2      0   to the left of   20
3      0   to the left of   18
4      2  to the right of    4
..   ...              ...  ...
136   27  to the right of    8
137   27   to the left of    9
138   27   to the left of   12
139   27   to the left of   13
140   27       walking on   17

[141 rows x 3 columns]