In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

[EX Q]: Sentence: 'a person that is skateboarding on a ramp'. Reverse all words of length '13' in the given sentence.
[EX A]: a person that is gnidraobetaks on a ramp

[EX Q]: Sentence: 'three planes being serviced at the airport on a sunny day'. Reverse all words of length '2' in the given sentence.
[EX A]: three planes being serviced ta the airport no a sunny day

[EX Q]: Sentence: 'two people are standing under an old building'. Reverse all words of length '2' in the given sentence.
[EX A]:
two people are standing under na old building