Which color is the grass that the animal is eating?
The grass is green.
    src        edge_attr  dst
0     0   to the left of   10
1     0               on   13
2     1   to the left of   15
3     1           riding    6
4     1   to the left of    2
5     1       sitting on   17
6     2  to the right of   17
7     2  to the right of   15
8     2  to the right of    1
9     2  to the right of   16
10    2  to the right of    8
11    3  to the right of   10
12    4            above    8
13    5               in   13
14    5           eating   13
15    6               on   10
16    6         carrying    1
17    6  to the right of    9
18    7  to the right of   17
19    7  to the right of   16
20    8   to the left of    2
21    9   to the left of    6
22    9   to the left of   10
23   10  to the right of    0
24   10   to the left of    3
25   10  to the right of    9
26   11   on the edge of   13
27   11   to the left of   14
28   14  to the right of   11
29   14           eating   13
30   15  to the right of    1
31   15   to the left of    2
32   16   to the left of    2
33   16   to the left of   17
34   16   to the left of    7
35   17  to the right of   16
36   17   to the left of    7
37   17   on the back of    6
38   17   to the left of    2