What is the sauce that the bottle is filled with?
The sauce is ketchup.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    9
2     1               on    8
3     1   to the left of    2
4     1             with   16
5     2  to the right of   15
6     2  to the right of    1
7     2  to the right of    4
8     2  to the right of   16
9     2  to the right of   10
10    2  to the right of   11
11    2  to the right of   12
12    3  to the right of   14
13    4   to the left of    2
14    4               on   15
15    5  to the right of    7
16    6   to the left of    0
17    7   to the left of    5
18    9   to the left of    0
19    9      filled with    6
20   10   to the left of   13
21   10   to the left of    2
22   11   to the left of    2
23   11   to the left of   13
24   12   to the left of    2
25   13  to the right of   10
26   13  to the right of   15
27   13  to the right of   16
28   13  to the right of   11
29   14   to the left of    3
30   15             with    4
31   15   to the left of    2
32   15   to the left of   13
33   16   to the left of    2
34   16   to the left of   13