The grass is where?
The grass is on the hill.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of   17
2     0  to the right of   16
3     1               on    6
4     1           behind   16
..  ...              ...  ...
73   17  to the right of   18
74   17  to the right of   16
75   18   to the left of   17
76   18   to the left of   10
77   18  to the right of   15

[78 rows x 3 columns]