Where is the shelf?
The shelf is in the bathroom.
    src        edge_attr  dst
0     0   to the left of   10
1     0               in    6
2     1   to the left of   10
3     1               in    6
4     2   to the left of    9
5     3               in    6
6     3  to the right of    9
7     3               on    7
8     3        on top of    7
9     4  to the right of    5
10    5               in    6
11    5   to the left of    4
12    5   to the left of    7
13    7               in    6
14    7  to the right of    5
15    8   to the left of   10
16    9   to the left of    3
17    9  to the right of    2
18    9               in    6
19    9               on   10
20   10  to the right of    0
21   10  to the right of    1
22   10  to the right of    8