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.

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

Sentence: 'an aboveground subway car on a city street'. Reverse all words of length '6' in the given sentence.
an aboveground yawbus car on a city teerts

Sentence: 'a construction vehicle crossing a body of water on tracks'. Reverse all words of length '2' in the given sentence.

a construction vehicle crossing a body fo water no tracks