Is the speaker black?
Yes, the speaker is black.
    src        edge_attr  dst
0     1  to the right of   16
1     1     hanging from   10
2     1   to the left of    6
3     1  to the right of    2
4     2   to the left of   15
5     2  to the right of    3
6     2     hanging from   10
7     2   to the left of    1
8     2   to the left of   16
9     2       hanging on   13
10    3        on top of    8
11    3   to the left of    2
12    4   to the left of   15
13    4       hanging on   13
14    6  to the right of    1
15    6  to the right of   15
16    7        on top of   14
17    8           inside   11
18   13               of   11
19   15  to the right of   16
20   15   to the left of    6
21   15  to the right of    2
22   15  to the right of    4
23   16   to the left of   15
24   16   to the left of    1
25   16  to the right of    2
26   16     hanging from   10
27   16       hanging on   13
28   17        on top of   14