What color are the chairs?
The chairs are dark brown.
    src        edge_attr  dst
0     0               on    9
1     0  to the right of    1
2     1   to the left of    0
3     1   to the left of    5
4     1   to the left of    7
5     1   to the left of    6
6     3               on    9
7     4             near    9
8     4  to the right of    5
9     4  to the right of    6
10    4  to the right of    7
11    5  to the right of    1
12    5   to the left of    4
13    6   to the left of    4
14    6  to the right of    1
15    7          wearing    6
16    7          wearing    5
17    7   to the left of    4
18    7  to the right of    1
19    9             near    4