Is there a train to the left of the blue bench?
Yes, there is a train to the left of the bench.
     src        edge_attr  dst
0      1  to the right of   25
1      1               at    0
2      1  to the right of   19
3      1   to the left of   21
4      2  to the right of   26
..   ...              ...  ...
123   26  to the right of    3
124   26  to the right of   21
125   26   to the left of   22
126   26   to the left of    2
127   26  to the right of   13

[128 rows x 3 columns]