What are the passengers wearing?
The passengers are wearing a scarf.
    src        edge_attr  dst
0     0          reading    5
1     0          wearing   17
2     1   to the left of    6
3     1   to the left of    9
4     1  to the right of   17
..  ...              ...  ...
90   17   to the left of    1
91   17   to the left of    2
92   20  to the right of   13
93   20   to the left of    4
94   20   to the left of   10

[95 rows x 3 columns]