Is the green wall behind the brown suitcase near the paper?
Yes, the wall is behind the suitcase.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    5
2     0  to the right of    7
3     1               on    0
4     1  to the right of    5
5     1  to the right of    7
6     2           behind    5
7     2             near    8
8     3  to the right of    6
9     3               of    0
10    5             near    8
11    5       sitting on    4
12    5             near    7
13    5      in front of    2
14    5   to the left of    7
15    5   to the left of    1
16    5  to the right of    8
17    5   to the left of    0
18    6   to the left of    0
19    6   to the left of    3
20    7          next to    5
21    7   to the left of    0
22    7             near    5
23    7  to the right of    5
24    7   to the left of    1
25    8             near    2
26    8   to the left of    5
27    8             near    5