What do the ground and the umbrella have in common?
The color, both the ground and the umbrella are blue.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of   12
2     0  to the right of    9
3     2          wearing    9
4     2  to the right of   10
5     2          wearing   12
6     6           behind   10
7     7   to the left of   11
8     9   to the left of    0
9    10      in front of    6
10   10   to the left of    0
11   10   to the left of   12
12   10   to the left of    2
13   11  to the right of    7
14   12  to the right of   10
15   12   to the left of    0