What is in front of the sign that the word is on?
The traffic light is in front of the sign.
     src        edge_attr  dst
0      0   to the left of   18
1      1  to the right of   16
2      1   to the left of   11
3      1  to the right of   27
4      1  to the right of    2
..   ...              ...  ...
105   32               on   33
106   32  to the right of    9
107   32  to the right of    6
108   33  to the right of   20
109   33  to the right of   21

[110 rows x 3 columns]