What color does the liquid have?
The liquid has green color.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    5
2     0  to the right of   12
3     0   to the left of   11
4     1   to the left of    4
5     1   to the left of    8
6     1   to the left of   15
7     1   to the left of   13
8     1   to the left of   16
9     2   to the left of    8
10    2   to the left of   16
11    2   to the left of   12
12    3   to the left of   12
13    3   to the left of    8
14    3   to the left of   16
15    4  to the right of    1
16    4  to the right of   13
17    5  to the right of   12
18    5  to the right of    0
19    5               on   10
20    6               in    1
21    6  to the right of   15
22    6  to the right of   13
23    6   to the left of    9
24    8  to the right of   14
25    8  to the right of    1
26    8  to the right of    3
27    8  to the right of    2
28    9  to the right of    6
29    9               in    1
30    9  to the right of   15
31   10  to the right of    0
32   10  to the right of   12
33   11               in    1
34   11  to the right of    0
35   11  to the right of   12
36   12   to the left of   10
37   12   to the left of    5
38   12   to the left of   11
39   12   to the left of    0
40   12  to the right of    3
41   12  to the right of    2
42   13   to the left of    6
43   13  to the right of    1
44   13   to the left of   15
45   13   to the left of    4
46   14               in    3
47   14   to the left of    8
48   14   to the left of   16
49   15  to the right of   13
50   15   to the left of    9
51   15   to the left of    6
52   15  to the right of    1
53   16  to the right of   14
54   16  to the right of    3
55   16  to the right of    2
56   16  to the right of    1