Is the wood chair to the right or to the left of the person that is holding the book?
The chair is to the right of the person.
    src        edge_attr  dst
0     0   to the left of   13
1     0  to the right of    3
2     0   to the left of    9
3     0   to the left of   17
4     0   to the left of    8
..  ...              ...  ...
74   17  to the right of    2
75   17   to the left of    8
76   17  to the right of   11
77   17  to the right of   15
78   17  to the right of    0

[79 rows x 3 columns]