What is the color of the table made of wood?
The table is brown.
    src        edge_attr  dst
0     0   to the left of    9
1     0  to the right of    7
2     1   to the left of    9
3     1  to the right of    7
4     4  to the right of   10
5     4   to the left of    9
6     5   to the left of    9
7     5  to the right of    7
8     7   to the left of    1
9     7   to the left of    0
10    7   to the left of    5
11    8               on    2
12    9  to the right of    5
13    9  to the right of    4
14    9               on    2
15    9  to the right of    0
16    9  to the right of    1
17   10   to the left of    4