Of what color is this cellphone?
The cellphone is gray.
     src        edge_attr  dst
0      0               on   14
1      1   to the left of    8
2      1   to the left of    7
3      1   to the left of   21
4      1  to the right of   20
..   ...              ...  ...
140   28  to the right of   13
141   28   to the left of   14
142   28  to the right of   16
143   28  to the right of   18
144   28  to the right of    5

[145 rows x 3 columns]