Is the plastic chair black or red?
The chair is black.
    src        edge_attr  dst
0     1   to the left of    6
1     1   to the left of   16
2     2   to the left of   12
3     2   to the left of    7
4     2   to the left of   18
5     6       mounted on   15
6     6     hanging from   15
7     6  to the right of    1
8     7  to the right of   13
9     7  to the right of    2
10    8        on top of   17
11    8       sitting on   17
12    8  to the right of   16
13   12  to the right of   13
14   12  to the right of    2
15   13   to the left of    7
16   13   to the left of   18
17   13   to the left of   12
18   14   to the left of   18
19   16   to the left of    8
20   16       mounted on    1
21   16   to the left of   17
22   16  to the right of    1
23   17  to the right of   16
24   18        on top of   14
25   18       sitting on   14
26   18               on   10
27   18  to the right of   13
28   18  to the right of   14
29   18  to the right of    2