Who is on the platform?
The people are on the platform.
    src        edge_attr  dst
0     1  to the right of    7
1     2          next to    6
2     2             near    6
3     2   to the left of   11
4     2  to the right of    9
5     3  to the right of   10
6     3  to the right of    6
7     4           behind   11
8     4   to the left of   11
9     5   to the left of   10
10    6   to the left of    3
11    6   to the left of   11
12    6             near    2
13    7   to the left of    1
14    8  to the right of    9
15    9               on    8
16    9   to the left of    2
17    9   to the left of   11
18    9   to the left of    8
19   10  to the right of    5
20   10               on    7
21   10   to the left of   11
22   10   to the left of    3
23   11      in front of    4
24   11  to the right of    2
25   11  to the right of    4
26   11  to the right of    6
27   11  to the right of   10
28   11  to the right of    9
29   12            below   13