What is the color of the apple in the center of the picture?
The apple is green.
    src        edge_attr  dst
0     0   to the left of   21
1     0   to the left of   15
2     0   to the left of   12
3     3  to the right of    4
4     4   to the left of    3
..  ...              ...  ...
57   21   to the left of   15
58   21   to the left of    7
59   21  to the right of   11
60   21  to the right of    0
61   21      in front of   18

[62 rows x 3 columns]