What is the meat that the knife is in?
The meat is ribs.
    src        edge_attr  dst
0     3   to the left of   15
1     3   to the left of   14
2     5   to the left of    8
3     6               on    9
4     6  to the right of    7
5     7   to the left of    6
6     7   to the left of   15
7     7               on    9
8     7   to the left of   13
9     7   to the left of   14
10    8  to the right of    5
11    9               on   10
12    9            above   10
13   10            under    9
14   11               on    9
15   12         stuck in   11
16   12               in   11
17   13               on    9
18   13   to the left of   15
19   13   to the left of   16
20   13  to the right of    7
21   14  to the right of    7
22   14  to the right of    3
23   14               on    9
24   15               on    9
25   15  to the right of   13
26   15   to the left of   16
27   15  to the right of    3
28   15  to the right of    7
29   16               on    9
30   16  to the right of   13
31   16  to the right of   15