Is the man in front of the people that are to the right of the train?
Yes, the man is in front of the people.
    src        edge_attr  dst
0     0           behind    7
1     0  to the right of    7
2     0             near    4
3     0   to the left of    4
4     1            above    7
5     2             near    7
6     3               on    6
7     4           behind    7
8     4             near    7
9     4             near    0
10    4  to the right of    7
11    4  to the right of    0
12    7               on    6
13    7   to the left of    4
14    7             near    4
15    7      in front of    4
16    7             near    2
17    7      in front of    0
18    7               on    3
19    7          wearing    5
20    7        riding on    3
21    7   to the left of    0
22    7            using    3