Is the sky cloudless or foggy?
The sky is foggy.
    src        edge_attr  dst
0     1   to the left of   10
1     1   to the left of    2
2     1   to the left of   14
3     1   to the left of    6
4     2  to the right of    1
5     6  to the right of    1
6    10  to the right of    1
7    14  to the right of    1
8    15          wearing    2
9    15          holding    6
10   15          holding    1
11   15          wearing    4
12   15      standing in    0
13   15      standing on    3
14   15      standing on    5