What is the color of the fence that is to the left of the other fence?
The fence is black.
    src        edge_attr  dst
0     1   to the left of    4
1     1  to the right of   13
2     1  to the right of    6
3     2  to the right of    8
4     3             near   14
5     3  to the right of    8
6     3             near    5
7     3             near    4
8     4  to the right of    7
9     4  to the right of    6
10    4  to the right of    1
11    4             near    3
12    5             near   13
13    5  to the right of   12
14    5  to the right of    6
15    5             near    3
16    5  to the right of   13
17    6   to the left of    5
18    6   to the left of    4
19    6             near   12
20    6   to the left of    1
21    7   to the left of    4
22    7   to the left of   11
23    8   to the left of    2
24    8   to the left of    3
25   11  to the right of    7
26   12             near    6
27   12   to the left of    5
28   13             near    5
29   13   to the left of   14
30   13   to the left of    5
31   13               on    7
32   13   to the left of    1
33   14             near    3
34   14  to the right of   13