Does the person wear a backpack?
Yes, the person wears a backpack.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of   20
2     1  to the right of   18
3     1   to the left of   16
4     2   to the left of   20
..  ...              ...  ...
59   20  to the right of   19
60   20   to the left of   12
61   20  to the right of   11
62   20  to the right of   18
63   21   to the left of   12

[64 rows x 3 columns]