Is there a boat or a flag that is blue?
Yes, the boat is blue.
   src        edge_attr  dst
0    1   to the left of    4
1    1               in    9
2    2               by   10
3    2   to the left of   10
4    2   to the left of    9
5    4  to the right of    1
6    6           beside    9
7    9               in   10
8    9  to the right of    2
9   10  to the right of    2