Who is wearing a watch?
The boy is wearing a watch.
   src        edge_attr  dst
0    2   to the left of   12
1    3  to the right of    8
2    8   to the left of    3
3   12  to the right of   13
4   12  to the right of    2
5   13   to the left of   12
6   15          wearing    8
7   15          wearing   10