What piece of furniture is not wooden, the chair or the table?
The chair is not wooden.
    src        edge_attr  dst
0     2   to the left of   13
1     3  to the right of   12
2     3  to the right of    6
3     4   to the left of    7
4     4   to the left of   10
5     5  to the right of    9
6     5   to the left of   13
7     6   to the left of    3
8     6   to the left of   10
9     6   to the left of    7
10    7  to the right of    6
11    7  to the right of    4
12    8  to the right of   12
13    9   to the left of    5
14   10  to the right of    4
15   10  to the right of    6
16   11               on    1
17   12   to the left of    3
18   12   to the left of    8
19   13  to the right of    2
20   13  to the right of    5