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 group of skiers standing at the base of a mountain'. Reverse all words of length '3' in the given sentence.
[EX A]: a group of skiers standing at eht base of a mountain

[EX Q]: Sentence: 'a heard of animals in a field approaching the water'. Reverse all words of length '11' in the given sentence.
[EX A]: a heard of animals in a field gnihcaorppa the water

[EX Q]: Sentence: 'two pieces of meat sit on a plate'. Reverse all words of length '2' in the given sentence.
[EX A]:
two pieces fo meat sit no a plate