What material is the blue animal?
The shark is made of plastic.
    src        edge_attr  dst
0     0  to the right of   19
1     0   to the left of   13
2     0   to the left of   18
3     0   to the left of    6
4     0   to the left of   16
..  ...              ...  ...
61   20   to the left of    0
62   20   to the left of    6
63   20   to the left of   16
64   20   to the left of   18
65   20   to the left of   19

[66 rows x 3 columns]