Which color is that shoe?
The shoe is brown.
    src        edge_attr  dst
0     0               on   16
1     0      standing on   16
2     0   to the left of   12
3     0   to the left of   13
4     0  to the right of   15
5     0   to the left of    2
6     2  to the right of   11
7     2      standing on   16
8     2   to the left of   12
9     2  to the right of    0
10    2   to the left of   13
11    2               on   16
12    5  to the right of    7
13    5  to the right of   17
14    7          wearing    8
15    7          wearing   17
16    7   to the left of    5
17   11  to the right of   15
18   11   to the left of    2
19   11      standing on   16
20   11   to the left of   13
21   11   to the left of   12
22   12               on   16
23   12      standing on   16
24   12  to the right of    2
25   12  to the right of   11
26   12  to the right of    0
27   12  to the right of   13
28   13      standing on   16
29   13               on   16
30   13  to the right of   11
31   13  to the right of    0
32   13   to the left of   12
33   13  to the right of    2
34   15               on   16
35   15   to the left of   11
36   15   to the left of    0
37   17   to the left of    5