What is the drink in the cooler?
The drink is beer.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    9
2     0   to the left of   14
3     2  to the right of    5
4     3  to the right of    5
5     4  to the right of    5
6     4               of    9
7     5   to the left of    4
8     5   to the left of    3
9     5   to the left of    2
10    6   to the left of    9
11    6  to the right of    0
12    6  to the right of   10
13    7   to the left of   12
14    9               of    5
15    9  to the right of    6
16    9  to the right of    0
17    9  to the right of   14
18   10   to the left of   14
19   10   to the left of    6
20   11   to the left of   14
21   12  to the right of    7
22   14  to the right of    0
23   14               in   13
24   14  to the right of   10
25   14   to the left of    9
26   14  to the right of   11