Is the arrow on the traffic sign white or blue?
The arrow is blue.
    src        edge_attr  dst
0     0   to the left of    6
1     1           behind    1
2     1      in front of    1
3     2  to the right of    5
4     2   to the left of    6
5     3               on    0
6     3   to the left of    6
7     3  to the right of    5
8     5   to the left of    2
9     5   to the left of    7
10    5   to the left of    3
11    6  to the right of    0
12    6  to the right of    3
13    6  to the right of    2
14    7  to the right of    5