Are there men in front of the refrigerator door?
No, the man is behind the door.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of   15
2     0  to the right of    8
3     1           behind    2
4     1           behind    3
..  ...              ...  ...
78   15  to the right of    0
79   15  to the right of   12
80   15  to the right of   11
81   15  to the right of   13
82   15  to the right of   14

[83 rows x 3 columns]