Is the hydrant yellow?
No, the hydrant is black.
    src        edge_attr  dst
0     0  to the right of    6
1     1  to the right of    5
2     3   to the left of    5
3     3   to the left of    7
4     3   to the left of    4
5     4  to the right of    3
6     4  to the right of    6
7     5   to the left of    1
8     5  to the right of    3
9     5     hanging from    3
10    6   to the left of    0
11    6   to the left of    4
12    7  to the right of    3