What is the pot filled with?
The pot is filled with chocolate.
     src        edge_attr  dst
0      0  to the right of    5
1      0  to the right of    4
2      0  to the right of   28
3      0  to the right of   14
4      1   to the left of   10
..   ...              ...  ...
138   29   to the left of   13
139   29   to the left of    9
140   29   to the left of   20
141   29   to the left of   12
142   29   to the left of   22

[143 rows x 3 columns]