What is on the sign?
The logo is on the sign.
    src        edge_attr  dst
0     0             near    2
1     1               on    4
2     1   to the left of    4
3     2             near    0
4     2   to the left of    4
5     2             near    7
6     2   to the left of    6
7     4  to the right of    2
8     4  to the right of    1
9     4  to the right of    5
10    4   to the left of    7
11    4  to the right of    6
12    5               on    1
13    5   to the left of    4
14    6          holding    1
15    6  to the right of    2
16    6   to the left of    4
17    7             near    2
18    7  to the right of    4