Who is younger, the man or the boy?
The boy is younger than the man.
    src        edge_attr  dst
0     3  to the right of    9
1     4  to the right of    7
2     4  to the right of    6
3     5  to the right of   11
4     6  to the right of   12
5     6   to the left of    4
6     7          holding    5
7     7  to the right of   12
8     7   to the left of    4
9     7  to the right of    8
10    7   to the left of    9
11    7          wearing    6
12    8   to the left of    7
13    9   to the left of    3
14    9  to the right of    7
15   10               in    2
16   10          wearing   13
17   11   to the left of    5
18   11   to the left of   13
19   12   to the left of    6
20   12   to the left of    7
21   13  to the right of   11
22   15          wearing    0
23   15               in    2