On which side of the picture is the cup?
The cup is on the left of the image.
     src       edge_attr  dst
0      0  to the left of    1
1      0  to the left of   16
2      0  to the left of    9
3      0  to the left of    5
4      0  to the left of   15
..   ...             ...  ...
151   29  to the left of   12
152   30              in   29
153   30  to the left of   20
154   30  to the left of   22
155   30  to the left of    5

[156 rows x 3 columns]