Are there any words in this scene that are not yellow?
Yes, there are black words.
   src        edge_attr  dst
0    0   to the left of    4
1    0   to the left of    8
2    1               on    8
3    4               on    8
4    4  to the right of    0
5    5               on    8
6    7   to the left of    8
7    8               on    2
8    8  to the right of    7
9    8  to the right of    0