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