What animal is in front of the barn?
The cows are in front of the barn.
    src        edge_attr  dst
0     0  to the right of    3
1     0   to the left of    1
2     0  to the right of    9
3     1               of    6
4     1  to the right of    3
5     1  to the right of    9
6     1  to the right of    0
7     2               in    7
8     2  to the right of    9
9     3             near    6
10    3           behind    6
11    3   to the left of    6
12    3   to the left of    5
13    3   to the left of    1
14    3   to the left of    0
15    5           behind    8
16    5  to the right of    3
17    5  to the right of    9
18    6  to the right of    3
19    6             near    3
20    6      in front of    3
21    8             near    9
22    8      in front of    5
23    9   to the left of    2
24    9   to the left of    5
25    9               by    3
26    9             near    8
27    9   to the left of    0
28    9   to the left of    1
29    9               by    8
30   10               by    8