Is the clock to the right of a shelf?
No, the clock is to the right of a locomotive.
     src        edge_attr  dst
0      1   to the left of    4
1      1   to the left of   23
2      1   to the left of   18
3      1   to the left of   27
4      1            below    9
..   ...              ...  ...
152   31  to the right of   14
153   31  to the right of    8
154   31  to the right of   10
155   31   to the left of    4
156   31  to the right of    7

[157 rows x 3 columns]