Which color does the chair have?
The chair has gray color.
    src        edge_attr  dst
0     0               on    1
1     0   to the left of    7
2     0  to the right of    4
3     0   to the left of   12
4     0  to the right of    9
5     1   to the left of    7
6     1   to the left of   12
7     2  to the right of    7
8     2  to the right of   12
9     2  to the right of    6
10    3   to the left of    8
11    3   to the left of    5
12    4               of    6
13    4   to the left of    7
14    4   to the left of    0
15    4   to the left of   12
16    5  to the right of    3
17    5   to the left of   11
18    5   to the left of   13
19    6          wearing    9
20    6          wearing    5
21    6   to the left of    2
22    6   to the left of   13
23    7  to the right of    1
24    7  to the right of    9
25    7  to the right of    4
26    7   to the left of   11
27    7  to the right of    0
28    7   to the left of    2
29    8   to the left of   13
30    8  to the right of    3
31    9   to the left of    7
32    9   to the left of    0
33    9   to the left of   12
34   10               on   13
35   11   to the left of   13
36   11  to the right of    5
37   11  to the right of    7
38   11               in   13
39   12   to the left of    2
40   12  to the right of    9
41   12  to the right of    0
42   12  to the right of    1
43   12  to the right of    4
44   13  to the right of    8
45   13  to the right of    5
46   13  to the right of    6
47   13  to the right of   11