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 women who is playing tennis on a tennis court'. Reverse all words of length '7' in the given sentence.
[EX A]: a women who is gniyalp tennis on a tennis court

[EX Q]: Sentence: 'a small child having his teeth brushed by an adult'. Reverse all words of length '7' in the given sentence.
[EX A]: a small child having his teeth dehsurb by an adult

[EX Q]: Sentence: 'a man jumps into the air and hits a tennis ball'. Reverse all words of length '3' in the given sentence.
[EX A]:
a nam jumps into eht ria dna hits a tennis ball