What device is heavy?
The device is a television.
    src        edge_attr  dst
0     0  to the right of    3
1     1         watching   12
2     1         watching   11
3     1   to the left of    2
4     1   to the left of    3
5     1   to the left of   11
6     1   to the left of   15
7     2  to the right of    1
8     3  to the right of    1
9     3           beside    0
10    3   to the left of    0
11    5  to the right of   13
12    5  to the right of    8
13    5           behind   11
14    6   to the left of   12
15    8   to the left of    5
16   11  to the right of    1
17   11      in front of    5
18   12  to the right of    6
19   12               on    9
20   13   to the left of    5
21   15  to the right of    1