What is the paper in?
The paper is in the net.
    src         edge_attr  dst
0     0   to the right of   18
1     1                in    2
2     1        sitting in    2
3     4   to the right of    5
4     4                on   16
5     4   to the right of   10
6     5   to the right of    8
7     5    to the left of    4
8     5                on   12
9     5    to the left of   10
10    6    to the left of   18
11    6                on   12
12    6          lying on   12
13    7    to the left of   17
14    7            behind   12
15    8                on   12
16    8    to the left of   10
17    8    to the left of    5
18    8          lying on   12
19   10                on   12
20   10   to the right of    8
21   10    to the left of    4
22   10   to the right of    5
23   10    to the left of   11
24   11   to the right of   17
25   11   to the right of   10
26   12       in front of    7
27   14                in    3
28   17   to the right of    7
29   17    to the left of   11
30   18  on the bottom of    2
31   18   to the right of    6
32   18    to the left of    0