Who is wearing the cap?
The people are wearing a cap.
     src        edge_attr  dst
0      0  to the right of   20
1      0  to the right of    5
2      0  to the right of    6
3      0  to the right of   17
4      0   to the left of   10
..   ...              ...  ...
99    20   to the left of   10
100   21  to the right of    1
101   21               on    4
102   21  to the right of   17
103   21  to the right of   18

[104 rows x 3 columns]