The dog that looks black and gray is wearing what?
The dog is wearing a collar.
    src        edge_attr  dst
0     0  to the right of   12
1     0   to the left of    1
2     0  to the right of    7
3     0   to the left of   10
4     1  to the right of    0
5     1          wearing   10
6     1   to the left of   13
7     1  to the right of   12
8     1               by   16
9     3   to the left of   16
10    4               on    5
11    6  to the right of   12
12    7   to the left of    0
13    8   to the left of   13
14    8  to the right of   12
15    9  to the right of   15
16   10  to the right of    0
17   10  to the right of   12
18   12          wearing    7
19   12          wearing    2
20   12          wearing   14
21   12          wearing   15
22   12     reaching for    0
23   12   to the left of    1
24   12   to the left of    0
25   12   to the left of    8
26   12   to the left of    6
27   12   to the left of   16
28   12       walking in    5
29   12   to the left of   10
30   12   walking toward    1
31   13  to the right of    8
32   13  to the right of    1
33   15   to the left of    9
34   16  to the right of   12
35   16  to the right of    3