What is he doing?
The boy is brushing teeth.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of   11
2     2  to the right of   11
3     2  to the right of    8
4     4  to the right of    7
5     5      in front of    6
6     6           behind    5
7     7   to the left of    4
8     8   to the left of    2
9     8  to the right of    0
10   11   to the left of    2
11   11  to the right of    0