Which color is the umbrella?
The umbrella is red.
    src        edge_attr  dst
0     0  to the right of    5
1     2   to the left of    7
2     2   to the left of    8
3     3  to the right of    5
4     3  to the right of    8
5     4   to the left of    8
6     5   to the left of    8
7     5   to the left of    3
8     5   to the left of    6
9     5   to the left of    0
10    6  to the right of    5
11    6               on   10
12    7               on   10
13    7  to the right of    2
14    7   to the left of    8
15    8   to the left of    3
16    8  to the right of    7
17    8  to the right of    4
18    8  to the right of    2
19    8  to the right of    5