The tractor is where?
The tractor is in the field.
    src        edge_attr  dst
0     0               on    5
1     0               in    5
2     1          wearing    6
3     1               on    5
4     1          holding    4
5     1  to the right of    4
6     2  to the right of    3
7     3   to the left of    2
8     4   to the left of    1
9     4   to the left of    9
10    4   to the left of    6
11    6  to the right of   10
12    6  to the right of    4
13    8  to the right of   12
14    8  to the right of   11
15    8   to the left of   16
16    9  to the right of    4
17    9  to the right of   10
18   10   to the left of    6
19   10   to the left of    9
20   11   to the left of    8
21   11   to the left of   13
22   12               on   11
23   12   to the left of   13
24   12   to the left of    8
25   13               on    8
26   13  to the right of   12
27   13  to the right of   11
28   16  to the right of    8