What is the color of the liquid in the bowl?
The liquid is brown.
   src        edge_attr  dst
0    3   to the left of    5
1    3   to the left of    6
2    3               in    4
3    4   to the left of    6
4    4   to the left of    5
5    5  to the right of    3
6    5  to the right of    4
7    6  to the right of    3
8    6  to the right of    4