Is there a coat that is gray?
Yes, there is a coat that is gray.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    4
2     0   to the left of   18
3     2  to the right of    9
4     2   to the left of   17
5     3  to the right of    9
6     3   to the left of   17
7     4   to the left of    8
8     4   to the left of    0
9     4  to the right of   16
10    4   to the left of   19
11    5  to the right of   16
12    5   to the left of    0
13    5   to the left of   19
14    5   to the left of    8
15    8   to the left of   18
16    8  to the right of    4
17    8  to the right of    5
18    9   to the left of    3
19    9   to the left of   17
20    9   to the left of   14
21    9   to the left of    2
22   12   to the left of   15
23   12   to the left of   13
24   13  to the right of   12
25   13   to the left of   18
26   14  to the right of    9
27   15   to the left of   18
28   15  to the right of   12
29   16   to the left of    4
30   16   to the left of    5
31   17  to the right of    9
32   17  to the right of    2
33   17  to the right of    3
34   18  to the right of    8
35   18  to the right of   13
36   18  to the right of    0
37   18  to the right of   15
38   19  to the right of    5
39   19  to the right of    4