What color is the umbrella in front of the water?
The umbrella is blue.
    src        edge_attr  dst
0     0        on top of    8
1     1        on top of    8
2     1  to the right of    4
3     2        on top of    8
4     3      floating in    7
5     4   to the left of    1
6     4       walking on    8
7     5      in front of    7
8     5   to the left of    6
9     6       walking on    8
10    6  to the right of    5
11    6        on top of    8
12    7           behind    5
13    7          next to    8
14    8             near    7