Is the white wall behind the mouse?
Yes, the wall is behind the mouse.
    src        edge_attr  dst
0     0             near    8
1     0      in front of    1
2     0   to the left of   10
3     0   to the left of    5
4     0   to the left of    8
5     0   to the left of    7
6     1           behind    8
7     1           behind    7
8     1           behind    2
9     1           behind    0
10    2      in front of    1
11    3   to the left of    7
12    3   to the left of   10
13    3   to the left of    8
14    4   to the left of    9
15    4   to the left of    8
16    4   to the left of    6
17    5  to the right of    0
18    5   to the left of    7
19    6  to the right of    4
20    7         lying on   10
21    7      in front of    1
22    7               by    8
23    7  to the right of    3
24    7  to the right of    5
25    7             near    8
26    7  to the right of    0
27    8             near    7
28    8             near    0
29    8      in front of    1
30    8  to the right of    0
31    8  to the right of    3
32    8  to the right of    4
33    8               on    2
34    9           around    6
35    9  to the right of    4
36   10  to the right of    3
37   10  to the right of    0