What vehicle is red?
The vehicle is a tractor.
     src        edge_attr  dst
0      0  to the right of   13
1      0  to the right of    9
2      0  to the right of    8
3      0  to the right of   17
4      0  to the right of    6
..   ...              ...  ...
114   20   to the left of    0
115   20   to the left of   11
116   20   to the left of   10
117   20   to the left of   19
118   20   to the left of   13

[119 rows x 3 columns]