Which type of furniture is blue?
The furniture is a couch.
    src        edge_attr  dst
0     0   to the left of    6
1     1  to the right of    4
2     1   to the left of    8
3     3  to the right of    9
4     3   to the left of    7
5     3  to the right of    4
6     3  to the right of    5
7     4   to the left of   13
8     4   to the left of    6
9     4   to the left of    3
10    4   to the left of    1
11    4   to the left of   15
12    5   to the left of   15
13    5               on    9
14    5   to the left of   13
15    5   to the left of    3
16    6  to the right of    4
17    6  to the right of    0
18    7  to the right of   13
19    7  to the right of    3
20    8  to the right of   16
21    8  to the right of   10
22    8  to the right of    1
23    9   to the left of    3
24    9   to the left of   15
25    9   to the left of   13
26   10   to the left of    8
27   13  to the right of    9
28   13  to the right of    5
29   13  to the right of    4
30   13   to the left of    7
31   15  to the right of    5
32   15  to the right of    9
33   15  to the right of    4
34   16   to the left of    8