What device is the black cat watching?
The cat is watching the television.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    2
2     0   to the left of   10
3     0   to the left of    3
4     0         watching    4
5     0   to the left of    6
6     2  to the right of    0
7     3  to the right of    0
8     6  to the right of    0
9     6  to the right of   11
10    7  to the right of    0
11    7  to the right of   11
12    8  to the right of   11
13    9  to the right of   11
14   10  to the right of    0
15   11   to the left of    7
16   11   to the left of    9
17   11   to the left of    6
18   11   to the left of    8