Are there any suitcases to the left of the briefcase?
Yes, there are suitcases to the left of the briefcase.
     src        edge_attr  dst
0      0   to the left of    5
1      0   to the left of    6
2      0   to the left of   13
3      0  to the right of    8
4      0   to the left of    7
..   ...              ...  ...
134   23   to the left of    3
135   23  to the right of   17
136   23   to the left of   20
137   23   to the left of   14
138   23   to the left of   15

[139 rows x 3 columns]