Are there pears to the left of the sack of apples?
No, there is an apple to the left of the sack.
    src        edge_attr  dst
0     1               of   10
1     1               on    3
2     1   to the left of    8
3     1   to the left of   16
4     1   to the left of   17
5     1   to the left of    6
6     1   to the left of   19
7     2   to the left of   18
8     2               on    1
9     3   to the left of   16
10    4   to the left of    5
11    4   to the left of   12
12    5   to the left of   12
13    5  to the right of    4
14    6               of   18
15    6  to the right of    1
16    7               of   18
17    8  to the right of    1
18    8               of   18
19    9               of    0
20   12  to the right of    5
21   12  to the right of    4
22   12               of   11
23   12  to the right of   13
24   13   to the left of   12
25   13               of    5
26   15               of   18
27   16  to the right of    1
28   16  to the right of    3
29   17               of   18
30   17  to the right of    1
31   18  to the right of    2
32   18               on    3
33   19               of   18
34   19  to the right of    1