What are the red pieces of furniture?
The pieces of furniture are chairs.
    src        edge_attr  dst
0     4   to the left of    8
1     5  to the right of   11
2     5  to the right of    8
3     7   to the left of   18
4     7   to the left of   10
5     8   to the left of    5
6     8  to the right of    4
7    10  to the right of   15
8    10  to the right of   13
9    10  to the right of   12
10   10  to the right of    7
11   10          wearing   18
12   11  to the right of   12
13   11   to the left of    5
14   12          wearing    7
15   12   to the left of   18
16   12   to the left of   17
17   12   to the left of   10
18   12   to the left of   11
19   13   to the left of   10
20   13   to the left of   17
21   15   to the left of   18
22   15   to the left of   10
23   15   to the left of   17
24   17  to the right of   12
25   17  to the right of   13
26   17  to the right of   15
27   18  to the right of   12
28   18  to the right of   15
29   18  to the right of    7