Which color is the flower?
The flower is pink.
    src        edge_attr  dst
0     0  to the right of    1
1     1   to the left of    0
2     1  to the right of    5
3     1   to the left of    3
4     2  to the right of    4
5     3  to the right of    4
6     3  to the right of    1
7     4   to the left of    2
8     4   to the left of    3
9     5   to the left of    6
10    5   to the left of    1
11    6  to the right of    5