What color is the lemon on top of the fish?
The lemon is green.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    2
2     2  to the right of    6
3     2  to the right of    5
4     2  to the right of    8
5     2  to the right of    3
6     2  to the right of    0
7     3               on    0
8     3   to the left of    7
9     3   to the left of    2
10    5   to the left of    2
11    5        on top of    0
12    5               on    0
13    6   to the left of    2
14    6   to the left of    7
15    7  to the right of    0
16    7  to the right of    6
17    7  to the right of    3
18    8   to the left of   10
19    8   to the left of    2
20   10  to the right of    8
21   10               on    6