What animal is the animal near the fence smelling?
The sheep is smelling the cat.
    src        edge_attr  dst
0     0               of    2
1     1   to the left of    4
2     1   to the left of    2
3     1   to the left of    7
4     2   to the left of    6
5     2               on    3
6     2             near    4
7     2  to the right of    1
8     2               in    3
9     3               on    1
10    4         sniffing    2
11    4         smelling    2
12    4             near   10
13    4             near    2
14    4      in front of   10
15    4  to the right of    1
16    4   to the left of   10
17    4  to the right of   11
18    5               of    2
19    6  to the right of   13
20    6   to the left of   12
21    6  to the right of    2
22    7               of    4
23    7  to the right of    1
24    7   to the left of    8
25    8               of    4
26    8  to the right of    7
27   10           behind    4
28   10             near    4
29   10  to the right of    4
30   11   to the left of    4
31   12  to the right of    6
32   12               on    3
33   13   to the left of    6
34   13               of    2