What vehicle is to the left of the air conditioner?
The vehicle is a bus.
    src        edge_attr  dst
0     0   to the left of   12
1     0  to the right of    1
2     0  to the right of   16
3     1  to the right of   16
4     1   to the left of   12
..  ...              ...  ...
59   20   to the left of   11
60   20   to the left of    7
61   20       walking on   21
62   20          wearing   17
63   20          wearing   18

[64 rows x 3 columns]