What device is the man playing with?
The man is playing with a controller.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of   14
2     1   to the left of    5
3     1   to the left of    4
4     1   to the left of   11
5     2   to the left of   15
6     3   to the left of   15
7     3   to the left of   13
8     4  to the right of    1
9     4   to the left of   12
10    4   to the left of    9
11    4   to the left of   15
12    4  to the right of   11
13    5  to the right of    1
14    5     playing with    0
15    5   to the left of   13
16    6   to the left of   15
17    6               on    2
18    8   to the left of   15
19    9  to the right of    0
20    9  to the right of   10
21    9  to the right of    4
22    9  to the right of   11
23    9  to the right of   16
24   10   to the left of   14
25   10   to the left of    9
26   11   to the left of    9
27   11   to the left of    4
28   11   to the left of   12
29   11  to the right of    1
30   12   to the left of   15
31   12  to the right of   11
32   12  to the right of    4
33   13  to the right of    3
34   13  to the right of    5
35   13  to the right of   15
36   13  to the right of   14
37   14  to the right of   16
38   14  to the right of   10
39   14   to the left of   13
40   14  to the right of    0
41   15  to the right of   12
42   15  to the right of    6
43   15   to the left of   13
44   15  to the right of    4
45   15  to the right of    3
46   15  to the right of    8
47   15  to the right of    2
48   16   to the left of   14
49   16   to the left of    9