Is there either grass or sand that is brown?
Yes, the grass is brown.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of   13
2     0  to the right of    5
3     1   to the left of    7
4     1   to the left of   13
5     1   to the left of    8
6     4  to the right of   13
7     4  to the right of    7
8     5   to the left of    0
9     6   to the left of   13
10    6   to the left of   11
11    7   to the left of    4
12    7  to the right of    1
13    7   to the left of    8
14    8  to the right of    7
15    8  to the right of    1
16    9   to the left of   10
17    9   to the left of    0
18   10               on    0
19   10  to the right of   13
20   10  to the right of    9
21   11  to the right of    6
22   13          wearing    7
23   13       sitting on   11
24   13          wearing    9
25   13          wearing    8
26   13          wearing    5
27   13  to the right of    6
28   13  to the right of    1
29   13   to the left of    4
30   13           riding   11
31   13   to the left of   10
32   13   to the left of    0
33   13          wearing   12