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 group of people riding in a black raft'. Reverse all words of length '1' in the given sentence.

A: a group of people riding in a black raft
****
Q: Sentence: 'decorative street signs on a post in front of trees'. Reverse all words of length '10' in the given sentence.

A: evitaroced street signs on a post in front of trees
****
Q: Sentence: 'a red doubledecker bus stopped on the street'. Reverse all words of length '3' in the given sentence.

A:
a der doubledecker sub stopped on eht street
****