Is there any wet sand in this scene?
Yes, there is wet sand.
   src        edge_attr  dst
0    2   to the left of    8
1    3            under    4
2    3            below    4
3    4               on    3
4    4          wearing    1
5    4          holding    6
6    4            above    3
7    4             with    6
8    4         carrying    6
9    8  to the right of    2