On which side of the picture is the shelf?
The shelf is on the right of the image.
     src        edge_attr  dst
0      0               on    7
1      0   to the left of   17
2      0  to the right of    3
3      0  to the right of    1
4      0  to the right of    9
..   ...              ...  ...
97    20  to the right of   13
98    21  to the right of    7
99    21  to the right of   14
100   21  to the right of    2
101   21  to the right of    1

[102 rows x 3 columns]