Who is in front of the blue sign?
The girl is in front of the sign.
    src        edge_attr  dst
0     1  to the right of    3
1     2  to the right of    5
2     3   to the left of    1
3     3   to the left of   15
4     3   to the left of    4
5     3   to the left of   18
6     3   to the left of   16
7     4  to the right of    8
8     4  to the right of    3
9     5   to the left of    2
10    7           behind   12
11    8   to the left of    4
12    9   to the left of   14
13   12   to the left of   14
14   12             near   17
15   12               on    6
16   12      in front of    7
17   13   to the left of   21
18   14  to the right of    9
19   14  to the right of   12
20   15  to the right of    3
21   16  to the right of    3
22   17          next to   12
23   18  to the right of    3
24   19         carrying   20
25   21  to the right of   13