Is the dark bag on top of a piano?
Yes, the backpack is on top of a piano.
    src        edge_attr  dst
0     0        on top of    4
1     0  to the right of    7
2     1   on the side of    7
3     1  to the right of   10
4     1  to the right of    3
5     1  to the right of    5
6     2   to the left of    6
7     3   to the left of    1
8     3  to the right of   10
9     3  to the right of    5
10    5   to the left of    3
11    5   to the left of    1
12    6  to the right of    2
13    6  to the right of   10
14    6   on the side of    7
15    7  to the right of   12
16    7        on top of    4
17    7   on the side of    9
18    7           behind   11
19    7   to the left of    0
20    8        on top of    7
21   10   to the left of   13
22   10   to the left of    6
23   10          playing    7
24   10          wearing    5
25   10          wearing    2
26   10   to the left of    1
27   10   to the left of    3
28   10          wearing   12
29   10   to the left of   11
30   11  on the front of    7
31   11   on the side of    7
32   11  to the right of   10
33   11      in front of    7
34   12   to the left of    7
35   13  to the right of   10