Are there either chairs or bags that are black?
Yes, the bag is black.
    src        edge_attr  dst
0     0               on    4
1     0  to the right of    3
2     0  to the right of    1
3     1               by    4
4     1   to the left of    4
5     1  to the right of    2
6     1   to the left of    0
7     1  to the right of    3
8     2               by    4
9     2               by    1
10    2   to the left of    7
11    2   to the left of    1
12    2               on    8
13    2   to the left of    4
14    3   to the left of    0
15    3   to the left of    4
16    3   to the left of    7
17    3   to the left of    1
18    4  to the right of    2
19    4  to the right of    1
20    4  to the right of    3
21    5               on    7
22    5               by    4
23    7  to the right of    3
24    7  to the right of    2
25    9               by    1
26    9               by    2