What color are the shoes?
The shoes are black.
    src        edge_attr  dst
0     0   to the left of    9
1     1   to the left of    7
2     2   to the left of   12
3     2   to the left of   11
4     3  to the right of   11
5     3  to the right of    5
6     3  to the right of   14
7     3  to the right of   12
8     4  to the right of   14
9     5   to the left of   12
10    5   to the left of    3
11    6   to the left of    7
12    7  to the right of    6
13    7  to the right of    1
14    8   to the left of   16
15    9  to the right of    0
16    9  to the right of   15
17   11   to the left of    3
18   11  to the right of    2
19   11   to the left of   12
20   11  to the right of   15
21   12  to the right of    2
22   12   to the left of    3
23   12  to the right of    5
24   12  to the right of   11
25   12  to the right of   14
26   12  to the right of   15
27   14   to the left of    3
28   14   to the left of    4
29   14   to the left of   12
30   15   to the left of   16
31   15   to the left of   12
32   15   to the left of   11
33   15   to the left of    9
34   16  to the right of    8
35   16  to the right of   15