Which color are the boots the man is wearing?
The boots are black.
    src        edge_attr  dst
0     0               of    9
1     1   to the left of    6
2     2   to the left of   17
3     4   to the left of   11
4     4   to the left of   17
5     6               of    9
6     6  to the right of   14
7     6  to the right of   21
8     6  to the right of    1
9     6  to the right of   18
10    8  to the right of   18
11    8               of    7
12   10  to the right of   20
13   10  to the right of   16
14   10  to the right of   12
15   10  to the right of   13
16   11               of    9
17   11   to the left of   17
18   11  to the right of   13
19   11  to the right of    4
20   11  to the right of   16
21   11  to the right of   15
22   12   to the left of   10
23   13   to the left of   10
24   13   to the left of   11
25   14   to the left of    6
26   15   to the left of   17
27   15   to the left of   11
28   15               on    2
29   16   to the left of   17
30   16   to the left of   10
31   16   to the left of   11
32   17  to the right of   16
33   17  to the right of   15
34   17  to the right of   18
35   17  to the right of    2
36   17  to the right of   11
37   17  to the right of    4
38   18          wearing   20
39   18   to the left of    6
40   18   to the left of   17
41   18          wearing   21
42   18   to the left of    8
43   20   to the left of   10
44   21   to the left of    6