What is the wall in front of?
The wall is in front of the beach.
    src        edge_attr  dst
0     0               in    1
1     0  to the right of    2
2     0  to the right of    5
3     0  to the right of   11
4     0               on    9
5     0             near    1
6     1             near    0
7     2   to the left of    0
8     2   to the left of   12
9     3      in front of    9
10    3             near    8
11    5          wearing    2
12    5           beside    3
13    5          wearing   11
14    5    standing near    9
15    5         watching    6
16    5   to the left of   12
17    5   to the left of    0
18    6      standing on    9
19    6               on    9
20    6  to the right of   10
21    6  to the right of   12
22    7               in    4
23    8          next to    3
24   10  to the right of   12
25   10               on    9
26   10      standing on    9
27   10   to the left of    6
28   11   to the left of    0
29   11   to the left of   12
30   12      standing on    9
31   12  to the right of    2
32   12  to the right of    5
33   12  to the right of   11
34   12   to the left of   10
35   12   to the left of    6
36   12               on    9