What's the ground made of?
The ground is made of brick.
    src        edge_attr  dst
0     0             near    4
1     0          next to    4
2     0  to the right of    1
3     0  to the right of    7
4     1   to the left of    4
5     1          next to    7
6     1   to the left of    7
7     1   to the left of    0
8     2  to the right of   11
9     2  to the right of    8
10    2  to the right of   13
11    3   to the left of    8
12    3  to the right of   11
13    4            below    7
14    4  to the right of    1
15    4             near    0
16    5   to the left of    9
17    6   to the left of    9
18    7  to the right of    1
19    7   to the left of    0
20    7             near    1
21    7            above    4
22    8   to the left of    2
23    8  to the right of    3
24    8  to the right of   11
25    8  to the right of   13
26    9  to the right of    5
27    9  to the right of    6
28   11   to the left of    3
29   11  to the right of   13
30   11   to the left of    8
31   11   to the left of    2
32   12      in front of   15
33   13   to the left of    8
34   13   to the left of   11
35   13   to the left of    2
36   14       sitting on   15
37   14          wearing    3
38   14          wearing    5