Do the books that are to the left of the man have white color?
No, the books are green.
     src        edge_attr  dst
0      0   to the left of   16
1      0   to the left of   20
2      0          wearing   13
3      0   to the left of    6
4      0   to the left of    5
..   ...              ...  ...
109   23   to the left of   21
110   23  to the right of    0
111   23               on    2
112   23  to the right of   15
113   23   to the left of   16

[114 rows x 3 columns]