What does the cat sleep on, a bed or a chair?
The cat sleeps on a chair.
    src        edge_attr  dst
0     0      sleeping on    5
1     0   to the left of   15
2     0   to the left of    3
3     0               on    5
4     1   to the left of   11
5     1  to the right of   17
6     2   to the left of   11
7     2  to the right of   16
8     2   to the left of    4
9     3  to the right of    0
10    3  to the right of   11
11    4  to the right of   17
12    4   to the left of   11
13    4  to the right of    2
14    6   to the left of   12
15    8   to the left of   11
16    8  to the right of   17
17    9   to the left of   12
18   10               of    0
19   10  to the right of   16
20   10   to the left of   11
21   10  to the right of   17
22   11   to the left of   15
23   11  to the right of   10
24   11  to the right of   16
25   11  to the right of   17
26   11  to the right of    2
27   11   to the left of    3
28   11  to the right of    4
29   11  to the right of    1
30   11  to the right of    8
31   12  to the right of    6
32   12  to the right of    9
33   13  to the right of   14
34   14   to the left of   13
35   15  to the right of   18
36   15               on    3
37   15  to the right of    0
38   15  to the right of   11
39   16   to the left of    2
40   16   to the left of   11
41   16   to the left of   10
42   17   to the left of    4
43   17   to the left of   11
44   17   to the left of   10
45   17   to the left of    1
46   17   to the left of    8
47   18   to the left of   15