What is the chair made of?
The chair is made of leather.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of    3
2     0  to the right of    2
3     1  to the right of    0
4     2   to the left of    6
5     2   to the left of    0
6     2   to the left of    7
7     3   to the left of    5
8     3  to the right of    0
9     4   to the left of    6
10    4   to the left of    7
11    5  to the right of    3
12    6               in    7
13    6  to the right of    2
14    6  to the right of    4
15    7  to the right of    4
16    7  to the right of    2