Is the knife on the right or on the left side of the image?
The knife is on the right of the image.
    src        edge_attr  dst
0     0        on top of    4
1     1           beside    4
2     1  to the right of    8
3     1  to the right of    2
4     1        on top of    9
5     2   to the left of   13
6     2   to the left of   12
7     2        on top of    4
8     2        on top of   10
9     2   to the left of    1
10    4             with    0
11    4        on top of    9
12    4        on top of    3
13    4             with   13
14    5        on top of    4
15    6  to the right of    8
16    6  to the right of   11
17    8   to the left of    1
18    8   to the left of    6
19   10        on top of    9
20   11   to the left of    6
21   12  to the right of    2
22   13  to the right of    2
23   13        on top of    4