What device is the man behind of?
The man is behind the computer.
    src        edge_attr  dst
0     0  to the right of    9
1     0   to the left of    7
2     1   to the left of    4
3     1  to the right of    9
4     1           behind    6
5     2   to the left of    7
6     2  to the right of    9
7     3  to the right of    9
8     4           behind    6
9     4  to the right of    9
10    4  to the right of    1
11    5  to the right of    9
12    6           behind    7
13    6            using    7
14    6  to the right of    9
15    6      in front of    7
16    6       looking at    7
17    6      in front of    1
18    6      in front of    4
19    6      in front of   10
20    7  to the right of    0
21    7  to the right of    2
22    7  to the right of    8
23    7  to the right of    9
24    7      in front of    6
25    7           behind    6
26    8   to the left of    7
27    8   to the left of   11
28    9   to the left of    5
29    9   to the left of    4
30    9   to the left of   11
31    9   to the left of    1
32    9   to the left of    0
33    9   to the left of    3
34    9   to the left of    2
35    9   to the left of    6
36    9   to the left of    7
37   10           behind    6
38   11  to the right of    9
39   11  to the right of    8