The dome has what color?
The dome is green.
    src        edge_attr  dst
0     0   to the left of   17
1     0  to the right of   15
2     1  to the right of   16
3     1  to the right of    8
4     2               in    3
5     2               on   12
6     2  to the right of    4
7     2               on    3
8     3   to the left of   17
9     4   to the left of   14
10    4   to the left of    2
11    5  to the right of   16
12    6  to the right of   15
13    7               on   12
14    8   to the left of    1
15    8  to the right of   16
16    8  to the right of   11
17   11   to the left of   16
18   11   to the left of    8
19   14  to the right of    4
20   14   on the side of   12
21   15   to the left of    6
22   15   to the left of    0
23   16   to the left of    1
24   16  to the right of   11
25   16   to the left of    5
26   16   to the left of    8
27   16  on the front of   12
28   17  to the right of    0
29   17  to the right of    3