Is the pillow on a mattress?
No, the pillow is on the bed.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of   14
2     0   to the left of   15
3     0   to the left of    5
4     0   to the left of    1
5     1  to the right of    0
6     1  to the right of   16
7     2               in    7
8     2   to the left of    6
9     2   to the left of   15
10    3               on    7
11    3               in    7
12    4   to the left of    8
13    4   to the left of   14
14    4               by   10
15    5  to the right of    0
16    5  to the right of   16
17    5  to the right of   10
18    6  to the right of    2
19    7   to the left of   15
20    8  to the right of    4
21    8  to the right of   16
22    8  to the right of   10
23    8  to the right of    0
24   10   to the left of    8
25   10   to the left of   16
26   10   to the left of    5
27   10   to the left of   14
28   12   to the left of   16
29   14  to the right of   16
30   14  to the right of    4
31   14  to the right of   10
32   14  to the right of    0
33   14  to the right of   17
34   15  to the right of    2
35   15               in   13
36   15  to the right of   18
37   15  to the right of    0
38   15  to the right of    7
39   16   to the left of    5
40   16   to the left of    1
41   16  to the right of   17
42   16  to the right of   12
43   16   to the left of   14
44   16  to the right of   10
45   16   to the left of    8
46   17   to the left of   16
47   17   to the left of   14
48   18   to the left of   15