Where does the cow to the right of the car stand?
The cow stands in the barn.
     src        edge_attr  dst
0      0  to the right of    3
1      0  to the right of   19
2      0   to the left of    6
3      0  to the right of   20
4      0  to the right of   12
..   ...              ...  ...
138   20   to the left of    7
139   20   to the left of    0
140   20   to the left of   12
141   20   to the left of   13
142   20   to the left of    3

[143 rows x 3 columns]