Which place is it?
It is a stadium.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of   12
2     0  to the right of    9
3     1               in    5
4     1         watching    7
5     3               in    5
6     3   to the left of    6
7     6   to the left of    0
8     6  to the right of    3
9     6               on   12
10    6               on    2
11    7          hitting    3
12    7   to the left of   11
13    8  to the right of    9
14    8      waiting for    3
15    9   to the left of   13
16    9   to the left of    0
17    9   to the left of    8
18   11  to the right of    7
19   11               in    5
20   12   to the left of    0
21   13  to the right of    9