Are the gray rocks in front of the blue boats that are on the sand?
Yes, the rocks are in front of the boats.
    src        edge_attr  dst
0     0               of    9
1     0           behind    5
2     1             near    7
3     1               on    4
4     1  to the right of   12
5     1      in front of   11
6     2             near    6
7     2      in front of    5
8     2      in front of   10
9     3   to the left of    4
10    4  to the right of    9
11    4  to the right of    3
12    5           behind    2
13    5      in front of    0
14    5               on    3
15    5               on    4
16    5      in front of   11
17    5   to the left of   12
18    6             near    9
19    6               on    4
20    6             near    2
21    7             near    1
22    7          wearing    8
23    9             near    6
24    9   to the left of    4
25   10           behind    2
26   10   to the left of   14
27   11           behind    1
28   11           behind    5
29   12   to the left of    1
30   12  to the right of    5
31   14  to the right of   10
32   14               on   13