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: 'two people are holding rackets upright on a tennis court'. Reverse all words of length '7' in the given sentence.
[EX A]: two people are gnidloh stekcar thgirpu on a tennis court

[EX Q]: Sentence: 'some people sitting on some benches flowers and buildings'. Reverse all words of length '3' in the given sentence.
[EX A]: some people sitting on some benches flowers dna buildings

[EX Q]: Sentence: 'a pair of zebras stand together in the sun'. Reverse all words of length '6' in the given sentence.
[EX A]:
a pair of sarbez stand together in the sun