What is on the sign that looks green and white?
The word is on the sign.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    4
2     2   to the left of    3
3     3  to the right of    2
4     4   to the left of    8
5     4               on    9
6     4   to the left of    0
7     4  to the right of   12
8     7   to the left of    8
9     8  to the right of    7
10    8  to the right of   14
11    8  to the right of    4
12    8  to the right of   12
13    9  to the right of   12
14    9   to the left of    0
15   10  to the right of   11
16   11               in    3
17   11   to the left of   10
18   12   to the left of    8
19   12   to the left of    9
20   12   to the left of    4
21   14   to the left of    8