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