What's on the hot dog?
The ketchup is on the hot dog.
    src        edge_attr  dst
0     1  to the right of    7
1     2  to the right of   10
2     2  to the right of    9
3     2  to the right of    3
4     3   to the left of    9
5     3   to the left of    2
6     3   to the left of   13
7     3   to the left of   10
8     4   on the side of    5
9     7   to the left of    8
10    7   to the left of    1
11    8  to the right of    7
12    8               on    5
13    9   to the left of    2
14    9  to the right of    3
15    9               on   10
16    9   to the left of   13
17   10             with    9
18   10   to the left of    2
19   10  to the right of    3
20   10   to the left of   13
21   13  to the right of   10
22   13  to the right of    3
23   13  to the right of    9