Is the arrow blue or black?
The arrow is blue.
    src             edge_attr  dst
0     0                    on    5
1     0        to the left of    7
2     0        to the left of    2
3     2                    on   11
4     2       to the right of    6
5     2       to the right of    0
6     3        to the left of    7
7     4        to the left of    7
8     5        to the left of    7
9     6        to the left of    2
10    6        to the left of    7
11    6        to the left of   11
12    7       to the right of    4
13    7       to the right of    5
14    7       to the right of    0
15    7       to the right of    6
16    7       to the right of   14
17    7       to the right of    3
18    8                behind   15
19    8       to the right of   15
20    8       to the right of   10
21    8       to the right of    9
22    9        to the left of    8
23   10        to the left of    8
24   11       to the right of    6
25   14        to the left of    7
26   15               wearing    1
27   15           in front of    8
28   15               wearing    4
29   15  standing in front of   12
30   15               wearing    9
31   15               wearing    2
32   15        to the left of    8
33   15               wearing    3
34   15               wearing   13
35   15               wearing    0
36   15               wearing   14