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: 'the woman is crossing the street holding an umbrella'. Reverse all words of length '8' in the given sentence.

SOLUTION: the woman is gnissorc the street holding an allerbmu

PROBLEM: Sentence: 'many people flying kites in front of the white house in washington dc'. Reverse all words of length '4' in the given sentence.

SOLUTION: ynam people flying kites in front of the white house in washington dc

PROBLEM: Sentence: 'a bird rests on a thin branch of a tree'. Reverse all words of length '6' in the given sentence.

SOLUTION:
a bird rests on a thin hcnarb of a tree