What is common to the hydrant and the frame?
The color, both the hydrant and the frame are red.
    src        edge_attr  dst
0     0               by    1
1     0   to the left of    2
2     2  to the right of    0
3     3               on    2
4     5   to the left of    7
5     5   to the left of   19
6     5   to the left of   13
7     6   to the left of   14
8     6  to the right of   10
9     7  to the right of   20
10    7  to the right of   21
11    7  to the right of    5
12    7  to the right of   11
13    7  to the right of   13
14    7  to the right of   18
15    7  to the right of   19
16    8  to the right of   15
17    9   to the left of   14
18    9  to the right of   10
19   10   to the left of    9
20   10               on   17
21   10               on   12
22   10   to the left of    6
23   10               on   15
24   10   to the left of   14
25   11   to the left of    7
26   11               on   19
27   12  to the right of   17
28   13  to the right of   14
29   13   to the left of    7
30   13  to the right of    5
31   14  to the right of   10
32   14  to the right of    9
33   14  to the right of    6
34   14   to the left of   20
35   14   to the left of   21
36   14   to the left of   19
37   14   to the left of   13
38   15   to the left of    8
39   17   to the left of   12
40   18   to the left of    7
41   19   to the left of    7
42   19  to the right of    5
43   19  to the right of   14
44   20   to the left of    7
45   20  to the right of   14
46   21  to the right of   14
47   21   to the left of    7