What is the cup to the left of the other cup made of?
The cup is made of plastic.
     src        edge_attr  dst
0      0   to the left of   10
1      0   to the left of    5
2      0  to the right of   21
3      1   to the left of    4
4      1   to the left of   18
..   ...              ...  ...
108   21   to the left of   11
109   21   to the left of   12
110   21   to the left of   14
111   21   to the left of   18
112   21         watching   18

[113 rows x 3 columns]