What kind of device is to the left of the couch?
The device is a television.
    src        edge_attr  dst
0     1             near   14
1     1  to the right of    6
2     1  to the right of    3
3     1  to the right of   14
4     3   to the left of    4
5     3   to the left of    1
6     3   to the left of   13
7     3  to the right of    5
8     4         lying on    1
9     4  to the right of    3
10    4       sitting on    1
11    5               on    2
12    5   to the left of    3
13    6   to the left of    1
14    8       sitting on    9
15    8       hanging on    7
16   11               on    2
17   13  to the right of    3
18   14             near    1
19   14   to the left of    1
20   14               on    3