TASK DEFINITION: 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.
PROBLEM: Sentence: 'small blue and red bird standing on rear of zebra'. Reverse all words of length '8' in the given sentence.

SOLUTION: small blue and red bird gnidnats on rear of zebra

PROBLEM: Sentence: 'a toilet and a sink in small bathroom'. Reverse all words of length '2' in the given sentence.

SOLUTION: a toilet and a sink ni small bathroom

PROBLEM: Sentence: 'an adorable little girl holding a green leafy object in her right hand'. Reverse all words of length '7' in the given sentence.

SOLUTION:
an adorable little girl gnidloh a green leafy object in her right hand