Are there any chairs on the sand that is below the grass?
Yes, there is a chair on the sand.
    src        edge_attr  dst
0     1            below    7
1     1            under    7
2     1               on    4
3     1               in    4
4     1  to the right of    2
5     1   to the left of    4
6     1   to the left of    3
7     2   to the left of    6
8     2   to the left of    1
9     2               on    4
10    2   to the left of    9
11    3            above    4
12    3  to the right of    1
13    3  to the right of    6
14    4  to the right of    9
15    4  to the right of    1
16    4            below    3
17    5   to the left of    7
18    5           behind    7
19    6  to the right of    2
20    6   to the left of    3
21    7  to the right of    5
22    7      in front of    5
23    7            above    1
24    9   to the left of    4
25    9  to the right of    2