What color is the cap?
The cap is gray.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    6
2     0   to the left of    3
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    3
7     2   to the left of    9
8     3          holding    2
9     3         watching    8
10    3          wearing   10
11    3   to the left of    1
12    3  to the right of    0
13    6   to the left of    1
14    6  to the right of    0
15    7   to the left of    1
16    7  to the right of    0
17    8          wearing    5
18    9  to the right of    2
19   10   to the left of    1