Are there pilots or athletes?
No, there are no athletes or pilots.
     src        edge_attr  dst
0      1   to the left of   18
1      1  to the right of   13
2      1   to the left of   23
3      1  to the right of   22
4      1  to the right of    6
..   ...              ...  ...
138   25  to the right of    9
139   25  to the right of   10
140   25  to the right of   21
141   25  to the right of   22
142   25  to the right of    6

[143 rows x 3 columns]