What is the baby lying on?
The baby is lying on the bed.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    0
2     3  to the right of    8
3     4  to the right of    6
4     5  to the right of    9
5     5  to the right of    8
6     6   to the left of    4
7     8         lying on   12
8     8   to the left of    3
9     8   to the left of    9
10    8         lying in   12
11    8   to the left of    5
12    9  to the right of    8
13    9   to the left of    5
14    9   to the left of   11
15   11  to the right of    9
16   13               on   12