Do you see a knife or a bookcase in the photograph?
No, there are no knives or bookcases.
    src        edge_attr  dst
0     0  to the right of    7
1     0   to the left of   17
2     0  to the right of    3
3     0  to the right of   12
4     1  to the right of   10
..  ...              ...  ...
93   19  to the right of    5
94   19  to the right of   10
95   19  to the right of   14
96   19               on   18
97   20  to the right of   16

[98 rows x 3 columns]