Which color does this fence have?
The fence has orange color.
    src        edge_attr  dst
0     1           behind    5
1     1  to the right of    2
2     2           behind    4
3     2   to the left of    7
4     2   to the left of    1
5     4               on    9
6     4      in front of    2
7     5        skiing on    9
8     5          wearing    7
9     5          wearing    0
10    5      standing on    9
11    5      in front of    1
12    5             with    7
13    5          wearing    3
14    6               on    9
15    6               of    5
16    7  to the right of    2
17    8               by    4