Is the man young or old?
The man is old.
     src        edge_attr  dst
0      0  to the right of   16
1      0  to the right of   13
2      0  to the right of    1
3      1   to the left of    7
4      1  to the right of   14
..   ...              ...  ...
96    18  to the right of   13
97    18  to the right of   16
98    19   to the left of    1
99    20   to the left of   12
100   20   to the left of    4

[101 rows x 3 columns]