Which kind of clothing is gray?
The clothing is a suit.
    src        edge_attr  dst
0     0         carrying    2
1     0         carrying    6
2     0         carrying    7
3     0  to the right of    6
4     0   to the left of    1
5     0  to the right of   11
6     0   to the left of    8
7     0          wearing    9
8     1  to the right of    2
9     1  to the right of    0
10    1  to the right of    7
11    1  to the right of    9
12    2   to the left of    8
13    2   to the left of    1
14    3   to the left of    5
15    5  to the right of    3
16    6   to the left of   11
17    6   to the left of    0
18    7   to the left of    8
19    7   to the left of    1
20    8         carrying    4
21    8          wearing    5
22    8  to the right of    0
23    8  to the right of    2
24    8  to the right of    7
25    8  to the right of    9
26    9   to the left of    1
27    9   to the left of    8
28   11   to the left of    0
29   11  to the right of    6