Is the man in front or behind the marble wall?
The man is in front of the wall.
    src        edge_attr  dst
0     0   to the left of    7
1     1               on    2
2     1   to the left of    9
3     1   to the left of    3
4     3               on    2
5     3   to the left of    6
6     3  to the right of    1
7     4  to the right of    9
8     4  to the right of   10
9     5   to the left of   11
10    6               on    2
11    6  to the right of    3
12    7           behind   10
13    7  to the right of   10
14    7  to the right of   12
15    7  to the right of    0
16    8  to the right of   10
17    9  to the right of    1
18    9   to the left of    4
19   10   to the left of    7
20   10   to the left of    4
21   10      in front of    7
22   10   to the left of    8
23   11  to the right of    5
24   12   to the left of    7