What is the mouse pad on?
The mouse pad is on the table.
     src        edge_attr  dst
0      0  to the right of   25
1      0  to the right of    2
2      0  to the right of   16
3      0               on   10
4      2   to the left of    0
..   ...              ...  ...
142   29   to the left of   24
143   29   to the left of   27
144   29   to the left of   25
145   29   to the left of   16
146   29   to the left of   28

[147 rows x 3 columns]