Which kind of clothing in the scene is gray?
The clothing is a jacket.
    src        edge_attr  dst
0     1             near    7
1     1  to the right of   16
2     1  to the right of    9
3     1  to the right of    7
4     1  to the right of    6
5     1  to the right of   10
6     1  to the right of   15
7     2   to the left of   15
8     2   to the left of    9
9     4   to the left of   16
10    4   to the left of   15
11    6   to the left of    1
12    6  to the right of   10
13    6  to the right of   15
14    6  to the right of   16
15    6   to the left of   11
16    7          next to    1
17    7   to the left of   11
18    7   to the left of    1
19    7   to the left of    8
20    7  to the right of   15
21    8  to the right of    7
22    8  to the right of   15
23    8  to the right of   13
24    8  to the right of    9
25    9   to the left of   11
26    9   to the left of    1
27    9  to the right of    2
28    9   to the left of    8
29   10   to the left of    1
30   10   to the left of   11
31   10  to the right of   16
32   10   to the left of    6
33   10  to the right of   14
34   11  to the right of    6
35   11  to the right of    7
36   11  to the right of   10
37   11  to the right of   15
38   11  to the right of   16
39   11  to the right of    9
40   13   to the left of    8
41   14   to the left of   16
42   14   to the left of   15
43   14   to the left of   10
44   15   to the left of   11
45   15   to the left of    6
46   15  to the right of    4
47   15  to the right of    2
48   15   to the left of    1
49   15  to the right of   14
50   15   to the left of    8
51   15   to the left of    7
52   15           riding    5
53   16   to the left of    1
54   16  to the right of    4
55   16   to the left of   11
56   16   to the left of   10
57   16   to the left of    6
58   16  to the right of   14