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 vase with purple sand and flowers inside'. Reverse all words of length '4' in the given sentence.
[A]: a esav htiw purple dnas and flowers inside


[Q]: Sentence: 'a tennis player is holding a tennis racket with the crowd in the background'. Reverse all words of length '3' in the given sentence.
[A]: a tennis player is holding a tennis racket with eht crowd in eht background


[Q]: Sentence: 'a truck sits next to a big plane'. Reverse all words of length '1' in the given sentence.
[A]:
a truck sits next to a big plane