Who wears socks?
The boy wears socks.
    src        edge_attr  dst
0     0   to the left of    1
1     1   to the left of   18
2     1  to the right of    0
3     2  to the right of   15
4     3   to the left of   18
..  ...              ...  ...
73   22  to the right of   18
74   22   to the left of   21
75   22  to the right of   16
76   23   to the left of   13
77   23   to the left of    5

[78 rows x 3 columns]