The man to the left of the mailbox is holding what?
The man is holding the bicycle.
    src        edge_attr  dst
0     1   to the left of   15
1     1  to the right of    4
2     2          wearing    0
3     2          holding    5
4     2   to the left of   17
..  ...              ...  ...
56   19   to the left of    8
57   19  to the right of    2
58   20   to the left of    7
59   20        on top of    5
60   20   to the left of    8

[61 rows x 3 columns]