Is the man to the right or to the left of the computer mouse?
The man is to the right of the computer mouse.
     src        edge_attr  dst
0      0   to the left of   15
1      0  to the right of   21
2      0   to the left of    6
3      0  to the right of    5
4      0  to the right of   11
..   ...              ...  ...
97    21  to the right of    5
98    21   to the left of    0
99    21   to the left of    9
100   21  to the right of   11
101   21   to the left of   15

[102 rows x 3 columns]