What kind of material is the chandelier to the left of the picture made of?
The chandelier is made of glass.
    src        edge_attr  dst
0     0               on    3
1     0  to the right of   29
2     0  to the right of    6
3     0  to the right of    5
4     0  to the right of   21
..  ...              ...  ...
84   30  to the right of   26
85   30  to the right of   15
86   30  to the right of   16
87   30   to the left of    2
88   30  to the right of   27

[89 rows x 3 columns]