Is the backpack blue?
Yes, the backpack is blue.
    src        edge_attr  dst
0     0               of    1
1     1          wearing   10
2     1          wearing    7
3     2  to the right of    3
4     2  to the right of    5
5     3   to the left of   18
6     3   to the left of    4
7     3   to the left of    2
8     4          wearing    9
9     4           riding    2
10    4  to the right of    3
11    4   to the left of   16
12    4  to the right of    5
13    4   to the left of   18
14    4  to the right of   11
15    5   to the left of    2
16    5   to the left of    4
17    5   to the left of   16
18    5   to the left of   18
19    5   to the left of    9
20    5           riding    3
21    5          wearing   11
22    6  to the right of   18
23    6  to the right of   16
24    9  to the right of    5
25    9   to the left of   18
26   11   to the left of    4
27   11   to the left of   18
28   12   to the left of   17
29   12   to the left of   15
30   14  to the right of   18
31   14  to the right of   16
32   15  to the right of   17
33   15  to the right of   12
34   16  to the right of    4
35   16               of   18
36   16   to the left of   14
37   16   to the left of    6
38   16  to the right of    5
39   17  to the right of   12
40   17   to the left of   15
41   18  to the right of    5
42   18  to the right of    3
43   18  to the right of    4
44   18   to the left of    6
45   18   to the left of   14
46   18  to the right of    9
47   18  to the right of   11