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 person holding a yummy looking hot dog'. Reverse all words of length '7' in the given sentence.

SOLUTION: a person gnidloh a yummy gnikool hot dog

PROBLEM: Sentence: 'a train is in a depot at the platform entry'. Reverse all words of length '2' in the given sentence.

SOLUTION: a train si ni a depot ta the platform entry

PROBLEM: Sentence: 'the blue pair of scissors is next to cut pieces of plastic'. Reverse all words of length '8' in the given sentence.

SOLUTION:
the blue pair of srossics is next to cut pieces of plastic