Is there a knife to the left of the food plate?
Yes, there is a knife to the left of the plate.
    src        edge_attr  dst
0     0   to the left of    5
1     0               in    7
2     0   to the left of    9
3     0   to the left of   13
4     1   to the left of   13
5     1   to the left of   12
6     1   to the left of    9
7     1               in    7
8     2   to the left of    9
9     3   to the left of    5
10    3   to the left of   13
11    4   to the left of   11
12    4               on   12
13    5               in   13
14    5               on    9
15    5  to the right of    0
16    5  to the right of    8
17    5  to the right of    3
18    5  to the right of    7
19    7   to the left of   13
20    7   to the left of    5
21    7   to the left of    9
22    8   to the left of    5
23    8   to the left of   13
24    9  to the right of    1
25    9  to the right of    2
26    9  to the right of    0
27    9  to the right of    7
28    9  to the right of   10
29    9             with   12
30    9               of   12
31   10   to the left of    9
32   11  to the right of    4
33   12  to the right of    1
34   12             with    4
35   12               on    9
36   13  to the right of    7
37   13  to the right of    3
38   13  to the right of    1
39   13  to the right of    8
40   13  to the right of    0