Who is in front of the bag that is on the left?
The couple is in front of the bag.
    src        edge_attr  dst
0     0   to the left of    3
1     1  to the right of   20
2     1   to the left of   17
3     1   to the left of   13
4     1   to the left of    4
..  ...              ...  ...
73   19  to the right of    8
74   20           behind    9
75   20   to the left of    8
76   20   to the left of   18
77   20   to the left of    1

[78 rows x 3 columns]