Which color is the cliff, brown or green?
The cliff is brown.
     src        edge_attr  dst
0      2   to the left of   26
1      2   to the left of   24
2      2   to the left of   14
3      2  to the right of    3
4      2   to the left of   18
..   ...              ...  ...
132   35   to the left of   19
133   35   to the left of   24
134   35   to the left of   22
135   35   to the left of   25
136   37   to the left of   13

[137 rows x 3 columns]