Which kind of device is to the left of the man?
The device is a computer.
    src        edge_attr  dst
0     0               on   16
1     0      in front of   17
2     0             near    6
3     0  to the right of    2
4     0               by   17
5     1  to the right of    2
6     2   to the left of    5
7     2   to the left of   14
8     2   to the left of    1
9     2  to the right of   10
10    2   to the left of    0
11    2   to the left of    7
12    2   to the left of   17
13    3   to the left of   13
14    3   to the left of   14
15    3  to the right of   18
16    3   to the left of    9
17    5  to the right of    2
18    6               on   16
19    6  to the right of   10
20    6             near    0
21    7  to the right of    2
22    8  to the right of   10
23    9  to the right of   12
24    9  to the right of    3
25   10   to the left of    8
26   10   to the left of    6
27   10   to the left of    2
28   10               on   16
29   10   to the left of   14
30   11   to the left of   18
31   12   to the left of   13
32   12   to the left of    9
33   12   to the left of   14
34   13  to the right of    3
35   13  to the right of   12
36   14  to the right of    2
37   14  to the right of   18
38   14  to the right of   10
39   14               by   16
40   14  to the right of   12
41   14  to the right of    3
42   17           behind    0
43   17  to the right of    2
44   18  to the right of   11
45   18   to the left of    3
46   18   to the left of   14