Does the ground have red color?
Yes, the ground is red.
    src        edge_attr  dst
0     0           behind   18
1     0      in front of    5
2     2          wearing    6
3     2          wearing    9
4     2          wearing   15
5     2       sitting on   18
6     2          wearing   14
7     2           beside   11
8     2  to the right of   16
9     2  to the right of   19
10    2   to the left of    5
11    2  to the right of    3
12    2  to the right of   13
13    2  to the right of   10
14    2  to the right of   21
15    3   to the left of   16
16    3   to the left of    6
17    3   to the left of    2
18    5           behind    0
19    5  to the right of   11
20    5  to the right of    2
21    5  to the right of   21
22    6  to the right of   16
23    6  to the right of    3
24    8  to the right of   13
25    9  to the right of   10
26   10   to the left of    2
27   10   to the left of    9
28   11   to the left of    5
29   11       sitting on   18
30   11         lying on   18
31   11          wearing   10
32   11           beside    2
33   11          wearing   13
34   12  to the right of   21
35   12  to the right of   19
36   13   to the left of    2
37   13   to the left of   20
38   13   to the left of    8
39   14   to the left of   15
40   15  to the right of   14
41   16   to the left of    6
42   16   to the left of    2
43   16  to the right of    3
44   18      in front of    0
45   19   to the left of   12
46   19   to the left of    2
47   20  to the right of   13
48   21          wearing   19
49   21   to the left of    2
50   21   to the left of    5
51   21   to the left of   12