What height is the cactus the car is in front of?
The cactus is tall.
    src        edge_attr  dst
0     0   to the left of   21
1     0  to the right of   17
2     1   to the left of   22
3     3               on    5
4     4  to the right of    7
5     4           around   23
6     4  to the right of   15
7     7   to the left of    4
8     7   to the left of    8
9     7   to the left of   23
10    7   to the left of   18
11    8  to the right of    7
12    8  to the right of   15
13   10               of   11
14   10               of   12
15   14   to the left of   22
16   15   to the left of    8
17   15   to the left of    4
18   15           behind   23
19   15   to the left of   23
20   15   to the left of   18
21   16             near   17
22   17   to the left of   21
23   17   to the left of    0
24   17          next to   16
25   18  to the right of   15
26   18  to the right of    7
27   21          next to   23
28   21  to the right of    0
29   21  to the right of   17
30   22  to the right of   14
31   22  to the right of    1
32   23  to the right of    7
33   23      in front of   15
34   23  to the right of   15
35   23             near   21
36   23        parked on   18