What do you think is full of snow?
The mountain is full of snow.
    src        edge_attr  dst
0     0          full of    4
1     0       covered in    4
2     2  to the right of    3
3     2   to the left of    6
4     2   to the left of   12
5     2   to the left of   11
6     2   to the left of    9
7     3   to the left of    2
8     3   to the left of    6
9     4  to the right of    9
10    4  to the right of   11
11    4  to the right of   12
12    6  to the right of    2
13    6  to the right of    3
14    6   to the left of   10
15    7               in    4
16    9  to the right of    2
17    9   to the left of   12
18    9   to the left of    4
19   10  to the right of    6
20   11   to the left of    4
21   11  to the right of    2
22   12  to the right of    9
23   12   to the left of    4
24   12  to the right of    2