Is there a ball on the field that looks green?
Yes, there is a ball on the field.
    src        edge_attr  dst
0     0  to the right of    1
1     1   to the left of    9
2     1   to the left of    0
3     1               of    9
4     2   to the left of    7
5     2   to the left of   16
6     2  to the right of   13
7     3               of    9
8     4  to the right of   12
9     5  to the right of    9
10    6   to the left of    7
11    7  to the right of    2
12    7  to the right of    6
13    8   to the left of   16
14    9               on   16
15    9  to the right of    1
16    9      in front of   12
17    9   to the left of    5
18   10               of    9
19   11               of    9
20   12           behind    9
21   12   to the left of    4
22   13               on   16
23   13   to the left of    2
24   16  to the right of    2
25   16  to the right of    8
26   16               of    7