The pillow is on what?
The pillow is on the bed.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    1
2     0  to the right of    5
3     1               on    2
4     1   to the left of    0
5     1   to the left of    4
6     4   to the left of    0
7     4  to the right of    5
8     4  to the right of    1
9     5   to the left of    4
10    5   to the left of    0