What is the vegetable to the left of the spoon that is silver?
The vegetable is an onion.
    src        edge_attr  dst
0     0               on   10
1     0   to the left of    5
2     0   to the left of   11
3     0  to the right of    9
4     2  to the right of    3
5     2   to the left of    5
6     3   to the left of    2
7     4   to the left of    5
8     5          next to   10
9     5               on    1
10    5             near   10
11    5  to the right of    2
12    5  to the right of    0
13    5  to the right of    4
14    5  to the right of    8
15    5  to the right of    7
16    5   to the left of   11
17    6  to the right of   10
18    6               on    1
19    7   to the left of    5
20    7  to the right of    9
21    7   to the left of   11
22    8               on   10
23    8   to the left of    5
24    9   to the left of   10
25    9               on    1
26    9   to the left of    0
27    9   to the left of    7
28   10   to the left of    6
29   10   to the left of   11
30   10  to the right of    9
31   10             near    5
32   11  to the right of    0
33   11  to the right of   10
34   11  to the right of    7
35   11  to the right of    5