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.

[Q]: Sentence: 'a silver bmw motorcycle being posed for a picture'. Reverse all words of length '1' in the given sentence.
[A]: a silver bmw motorcycle being posed for a picture


[Q]: Sentence: 'a herd of horses is exercised in the yard led by a man on horseback'. Reverse all words of length '6' in the given sentence.
[A]: a herd of sesroh is exercised in the yard led by a man on horseback


[Q]: Sentence: 'a heard of zebras and wilder beasts stand in some plains'. Reverse all words of length '3' in the given sentence.
[A]:
a heard of zebras dna wilder beasts stand in some plains