Which color is the grass, green or tan?
The grass is green.
    src        edge_attr  dst
0     0   to the left of    4
1     2           behind   12
2     4               on   12
3     4  to the right of    0
4     4  to the right of    7
5     7   to the left of    4
6     9      in front of   11
7    11             near   12
8    11           behind    9
9    11          next to   12
10   12               on    5
11   12             near   11
12   12      in front of    2