Which color is that chair?
The chair is black.
    src        edge_attr  dst
0     0   to the left of    5
1     0               of    1
2     1   to the left of   11
3     1   to the left of    5
4     1               on    4
5     1   to the left of    7
6     2               on    4
7     2  to the right of    7
8     5  to the right of    0
9     5   to the left of    9
10    5               on    4
11    5  to the right of    1
12    5  to the right of    6
13    6   to the left of   12
14    6   to the left of   11
15    6   to the left of    5
16    7               on    4
17    7  to the right of   10
18    7  to the right of    1
19    7  to the right of    8
20    7   to the left of    2
21    8   to the left of    7
22    9  to the right of    5
23    9  to the right of   12
24    9  to the right of   11
25   10   to the left of    7
26   11  to the right of    6
27   11   to the left of    9
28   11  to the right of    1
29   12  to the right of    6
30   12   to the left of    9