Which item of furniture is made of metal?
The piece of furniture is a bed.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of   10
2     0  to the right of   16
3     0  to the right of    9
4     0  to the right of    5
..  ...              ...  ...
73   17   to the left of    8
74   17   to the left of    9
75   17   to the left of    5
76   17  to the right of    1
77   17   to the left of    0

[78 rows x 3 columns]