The floor made of cement has what color?
The floor is gray.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of   13
2     0   to the left of   12
3     0   to the left of    9
4     0   to the left of    3
5     3  to the right of    0
6     3  to the right of   11
7     3          wearing   13
8     3          holding    0
9     3  to the right of   10
10    3  to the right of    4
11    3               at    0
12    3          wearing    1
13    4   to the left of   13
14    4   to the left of    8
15    4   to the left of    9
16    4   to the left of    3
17    6   to the left of   12
18    7  to the right of    9
19    7  to the right of   13
20    7  to the right of    8
21    8  to the right of    0
22    8  to the right of    4
23    8  to the right of   11
24    8  to the right of   10
25    8   to the left of    7
26    9  to the right of    4
27    9   to the left of    7
28    9  to the right of    0
29   10   to the left of    8
30   10   to the left of   12
31   10   to the left of    3
32   10   to the left of   13
33   11   to the left of   13
34   11   to the left of    8
35   11   to the left of    3
36   12  to the right of   10
37   12  to the right of    6
38   12  to the right of    0
39   13  to the right of    0
40   13  to the right of   11
41   13  to the right of    4
42   13   to the left of    7
43   13  to the right of   10