The snow is on what?
The snow is on the trees.
    src        edge_attr  dst
0     0  to the right of    6
1     1   to the left of    4
2     2               on    6
3     4  to the right of    1
4     4  to the right of    7
5     4  to the right of   11
6     4  to the right of    8
7     4  to the right of   13
8     4  to the right of    5
9     4  to the right of   12
10    4  to the right of   10
11    4  to the right of    9
12    5   to the left of    4
13    6   to the left of    0
14    7   to the left of    4
15    8   to the left of    4
16    9   to the left of    4
17   10   to the left of    4
18   11   to the left of    4
19   12   to the left of    4
20   12          wearing    8
21   13   to the left of    4