What is the seat on?
The seat is on the couch.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of   13
2     0   to the left of    8
3     0   to the left of    4
4     3  to the right of    5
5     3  to the right of   10
6     3  to the right of    0
7     4  to the right of    0
8     4  to the right of   11
9     4               by    0
10    4          wearing    3
11    4          wearing    2
12    4  to the right of    5
13    4  to the right of   10
14    5   to the left of    8
15    5   to the left of    4
16    5   to the left of    3
17    7               on    1
18    8  to the right of   10
19    8  to the right of    5
20    8  to the right of    0
21   10   to the left of    3
22   10   to the left of    8
23   10   to the left of    4
24   10   to the left of   13
25   11   to the left of   13
26   11   to the left of    4
27   12               on    1
28   13  to the right of   11
29   13  to the right of   10
30   13  to the right of    0