What color is the flower?
The flower is purple.
    src        edge_attr  dst
0     0            above    1
1     0               on    1
2     0               on    3
3     0   to the left of    2
4     1             near    4
5     1   to the left of    4
6     2               on    1
7     2        on top of    1
8     2   to the left of    4
9     2  to the right of    0
10    4               on    3
11    4           beside    1
12    4             near    1
13    4        on top of    3
14    4  to the right of    2
15    4  to the right of    1