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: 'a street next to two road blocks and a blurry object'. Reverse all words of length '3' in the given sentence.

SOLUTION: a street next to owt road blocks dna a blurry object

PROBLEM: Sentence: 'a tall clock tower with a sky background'. Reverse all words of length '10' in the given sentence.

SOLUTION: a tall clock tower with a sky dnuorgkcab

PROBLEM: Sentence: 'two children are playing in the oceans waves'. Reverse all words of length '7' in the given sentence.

SOLUTION:
two children are gniyalp in the oceans waves