On which side of the picture are the water bottles, the right or the left?
The water bottles are on the left of the image.
   src        edge_attr  dst
0    0           behind    1
1    0   to the left of    6
2    1           behind    4
3    1      in front of    0
4    4  to the right of    5
5    5   to the left of    4
6    6  on the front of    8
7    6  to the right of    0
8    7  on the front of    3