Which color is the suitcase, black or green?
The suitcase is black.
    src        edge_attr  dst
0     0  to the right of   18
1     0  to the right of   11
2     0  to the right of   13
3     0  to the right of   19
4     1   to the left of   19
5     1  to the right of   16
6     2  to the right of    8
7     2  to the right of   14
8     3   to the left of    7
9     5  to the right of    7
10    6  to the right of   15
11    6  to the right of    7
12    6             near   14
13    6   to the left of   14
14    7   to the left of    5
15    7   to the left of    6
16    7  to the right of   15
17    7  to the right of   10
18    7   to the left of   14
19    7  to the right of    3
20    8   to the left of    2
21    8  to the right of   14
22    9   to the left of   12
23    9   to the left of   10
24   10   to the left of    7
25   10  to the right of    9
26   11  to the right of   16
27   11   to the left of   19
28   11   to the left of    0
29   11   to the left of   13
30   12  to the right of    9
31   13               of   19
32   13  to the right of   18
33   13   to the left of    0
34   13  to the right of   11
35   14  to the right of   15
36   14   to the left of    8
37   14  to the right of    7
38   14  to the right of    6
39   14             near    6
40   14  to the right of   18
41   14   to the left of    2
42   15   to the left of    7
43   15   to the left of    6
44   15   to the left of   14
45   16   to the left of   19
46   16   to the left of    1
47   16   to the left of   11
48   16   to the left of   18
49   18   to the left of    0
50   18   to the left of   19
51   18   to the left of   13
52   18   to the left of   14
53   18  to the right of   16
54   19  to the right of   18
55   19   to the left of    0
56   19  to the right of   16
57   19  to the right of    1
58   19  to the right of   11