Are there either any cups or knives?
Yes, there is a knife.
    src        edge_attr  dst
0     0               on    1
1     0   to the left of    5
2     0   to the left of    2
3     2  to the right of    0
4     2               on    3
5     2   to the left of    4
6     2               on    1
7     2   to the left of    5
8     3  to the right of   12
9     3               on    1
10    4  to the right of    2
11    4  to the right of    5
12    4   to the left of    6
13    4   to the left of    7
14    5               on    3
15    5   to the left of    4
16    5   to the left of    6
17    5   to the left of    7
18    5  to the right of    2
19    5  to the right of    0
20    6  to the right of    5
21    6  to the right of    7
22    6  to the right of    4
23    7  to the right of    4
24    7               on    3
25    7  to the right of    5
26    7   to the left of    6
27    9               on    1
28   12         lying on    1
29   12   to the left of    3
30   12               on    1
31   13               on    0
32   14  to the right of   15
33   15   to the left of   14