What do the piano and the bench have in common?
The color, both the piano and the bench are black.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    2
2     0  to the right of   14
3     1   to the left of   11
4     2  to the right of    7
..  ...              ...  ...
57   14   to the left of    0
58   15   to the left of    5
59   15           behind    5
60   15   to the left of   11
61   15   to the left of    6

[62 rows x 3 columns]