Are there books or boys?
No, there are no boys or books.
    src        edge_attr  dst
0     0  to the right of   12
1     0           behind    8
2     0               on    0
3     2   to the left of    9
4     2               on    0
5     2  to the right of   12
6     3  to the right of    7
7     3  to the right of   13
8     4               on    0
9     4  to the right of   12
10    7   to the left of   11
11    7   to the left of    3
12    7  to the right of   12
13    7   to the left of   13
14    8      in front of    0
15    9  to the right of    2
16    9  to the right of   14
17   11  to the right of   13
18   11  to the right of   15
19   11  to the right of    7
20   12   to the left of   14
21   12   to the left of   15
22   12   to the left of    0
23   12   to the left of    4
24   12   to the left of    7
25   12   to the left of    2
26   13  to the right of    7
27   13   to the left of    3
28   13   to the left of   11
29   14   to the left of    9
30   14  to the right of   12
31   15  to the right of   12
32   15   to the left of   11