Is the computer to the left or to the right of the computer monitor on the desk?
The computer is to the right of the computer monitor.
    src        edge_attr  dst
0     0   to the left of    3
1     0               on    6
2     0               of    0
3     0  to the right of    5
4     0  to the right of   18
..  ...              ...  ...
90   19  to the right of   17
91   19  to the right of    9
92   20   to the left of   11
93   20   to the left of    7
94   20   to the left of    2

[95 rows x 3 columns]