Is the cart to the right or to the left of the people that are walking?
The cart is to the left of the people.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    6
2     0  to the right of    2
3     0   to the left of   14
4     0   to the left of   18
..  ...              ...  ...
63   25  to the right of   12
64   25  to the right of    1
65   25  to the right of   24
66   26   to the left of   22
67   26   to the left of   11

[68 rows x 3 columns]