What is the color of the lips?
The lips are pink.
    src        edge_attr  dst
0     1   to the left of    7
1     1   to the left of    4
2     1   to the left of    3
3     3  to the right of   10
4     3  to the right of    9
5     3  to the right of    1
6     4  to the right of    1
7     4  to the right of   12
8     4  to the right of    9
9     5            above    8
10    6               on    7
11    6  to the right of   12
12    6  to the right of    9
13    6               on   13
14    7  to the right of    1
15    7  to the right of    9
16    9   to the left of   13
17    9   to the left of    4
18    9   to the left of    3
19    9   to the left of    7
20    9   to the left of    6
21   10   to the left of    3
22   12   to the left of   13
23   12   to the left of    4
24   12   to the left of    6
25   13  to the right of   12
26   13  to the right of    9