Is the snow below the hydrant thick and white?
Yes, the snow is thick and white.
    src        edge_attr  dst
0     1         covering    5
1     1            below    6
2     2               on    6
3     3           behind    6
4     3               on    6
5     3         covering    6
6     4               on    5
7     4   to the left of    6
8     5       covered by    1
9     6       covered by    3
10    6      in front of    3
11    6            above    1
12    6  to the right of    4
13    7               on    6