Are there mothers to the left of the cell phone the chair is to the right of?
Yes, there is a mother to the left of the mobile phone.
     src        edge_attr  dst
0      0   to the left of   12
1      0   to the left of    8
2      0   to the left of   18
3      1   to the left of   25
4      1   to the left of   27
..   ...              ...  ...
187   27  to the right of   10
188   27  to the right of   17
189   27  to the right of   25
190   27  to the right of    1
191   28  to the right of    5

[192 rows x 3 columns]