Is the desk in front of the sign?
Yes, the desk is in front of the sign.
    src        edge_attr  dst
0     0          holding   11
1     0               on    7
2     0  to the right of   18
3     2   to the left of   18
4     2  to the right of   17
..  ...              ...  ...
82   20  to the right of   21
83   20          holding   18
84   21   to the left of   10
85   21  to the right of   16
86   21   to the left of   20

[87 rows x 3 columns]