Are there either green umbrellas or balls?
Yes, there is a green umbrella.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of   10
2     0  to the right of    8
3     0               on    4
4     1  to the right of   12
5     1   to the left of   11
6     2   to the left of   10
7     2   to the left of   14
8     5   to the left of   14
9     5   to the left of   11
10    5   to the left of   13
11    5  to the right of   12
12    6  to the right of   11
13    7   to the left of   13
14    8   to the left of    0
15    8   to the left of   13
16    8   to the left of   11
17   10   to the left of   14
18   10  to the right of    2
19   10   to the left of    0
20   11  to the right of    1
21   11  to the right of    5
22   11  to the right of    8
23   11  to the right of   12
24   11   to the left of    6
25   12   to the left of   13
26   12   to the left of    0
27   12   to the left of    1
28   12   to the left of    5
29   12   to the left of   11
30   13  to the right of   15
31   13  to the right of    5
32   13  to the right of    8
33   13  to the right of    7
34   13  to the right of   12
35   14  to the right of   10
36   14  to the right of    5
37   14  to the right of    2
38   15   to the left of   13