What color is the water?
The water is gray.
    src        edge_attr  dst
0     1      in front of   16
1     1  to the right of    9
2     1  to the right of    8
3     1  to the right of   11
4     1  to the right of   14
..  ...              ...  ...
67   16        on top of    5
68   16      floating on    5
69   16           behind   11
70   16           behind    1
71   16           behind   14

[72 rows x 3 columns]