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