Are there either flags or trains in this photo?
No, there are no trains or flags.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    4
2     1           eating   14
3     1               in   14
4     1               on    3
5     1   to the left of    2
6     2   to the left of   11
7     2  to the right of    1
8     3           behind   10
9     4  to the right of    0
10    5   to the left of   15
11    5  to the right of   12
12    6               on   13
13    6  to the right of   11
14    6  to the right of    7
15    7   to the left of    6
16    7  to the right of    0
17    7  to the right of   11
18    8               on    3
19   10             near   13
20   10   to the left of   13
21   10               on   13
22   10      in front of    3
23   11             near   13
24   11   to the left of    6
25   11  to the right of    2
26   11   to the left of    7
27   12   to the left of    5
28   13  to the right of   10
29   13             near   10
30   13             near   11
31   14               on    3
32   15  to the right of    5