Is the snow board to the left or to the right of the skier that is wearing pants?
The snow board is to the left of the skier.
    src        edge_attr  dst
0     4   to the left of   16
1     5  to the right of    8
2     5  to the right of   14
3     7   to the left of   13
4     8   to the left of    5
5     8          wearing    3
6     8   to the left of   16
7    13          wearing    7
8    13          wearing   10
9    13  to the right of    7
10   14   to the left of    5
11   14   to the left of   16
12   16  to the right of    4
13   16  to the right of   14
14   16  to the right of    8
15   16          wearing    5