Which color is the shirt the people are wearing?
The shirt is blue.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of   11
2     0   to the left of   13
3     1   to the left of   13
4     2  to the right of    0
5     2  to the right of    8
6     3   to the left of   13
7     5   to the left of    9
8     7  to the right of   13
9     7  to the right of   12
10    8          wearing    1
11    8   to the left of   13
12    8               on    0
13    8   to the left of    2
14    9  to the right of   13
15    9  to the right of    5
16   11  to the right of    0
17   12   to the left of    7
18   13  to the right of    0
19   13   to the left of    7
20   13  to the right of    1
21   13   to the left of    9
22   13  to the right of    3
23   13  to the right of    8