What animal is on the bed?
The dog is on the bed.
    src        edge_attr  dst
0     0   to the left of    7
1     0               of   10
2     3               of   10
3     4   to the left of    8
4     4   to the left of    7
5     4               of   10
6     5   to the left of    7
7     5   to the left of    8
8     7  to the right of    0
9     7  to the right of    4
10    7  to the right of    5
11    8  to the right of    4
12    8  to the right of    5
13    9               of   10
14   10         lying on   11
15   10               on   11