What type of device is the person holding?
The person is holding the cell phone.
    src        edge_attr  dst
0     0   to the left of    8
1     0  to the right of    7
2     1   to the left of    4
3     3  to the right of    8
4     3  to the right of    9
5     3  to the right of   10
6     4  to the right of    1
7     4  to the right of    6
8     5   to the left of    8
9     6   to the left of    4
10    6   to the left of    8
11    7   to the left of    0
12    7   to the left of    8
13    8   to the left of    3
14    8  to the right of    0
15    8  to the right of    5
16    8  to the right of    7
17    8  to the right of    6
18    9   to the left of    3
19   10          wearing    1
20   10   to the left of    3
21   10          holding    0
22   10      standing on    3
23   10          wearing    9