What is the device that is to the right of the mouse?
The device is a cell phone.
     src       edge_attr  dst
0      0  to the left of   25
1      0  to the left of   23
2      0  to the left of    6
3      0  to the left of    1
4      0  to the left of   12
..   ...             ...  ...
135   26  to the left of   20
136   26  to the left of   23
137   26  to the left of    1
138   26  to the left of   18
139   26  to the left of    3

[140 rows x 3 columns]