What color is the liquid?
The liquid is yellow.
    src        edge_attr  dst
0     1   to the left of   23
1     1   to the left of    6
2     1               on   15
3     2  to the right of   20
4     2  to the right of   13
..  ...              ...  ...
61   23  to the right of    1
62   23   to the left of   11
63   23  to the right of    9
64   24   to the left of    6
65   24   to the left of   23

[66 rows x 3 columns]