Which color is the bowl made of metal?
The bowl is silver.
    src        edge_attr  dst
0     1               in    0
1     1  to the right of    4
2     1  to the right of    3
3     2               in    0
4     2  to the right of    4
5     2  to the right of    3
6     3   to the left of    2
7     3   to the left of    1
8     4   to the left of    2
9     4   to the left of    1
10    4           beside    0