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: 'there is an entree on a place with spoon'. Reverse all words of length '6' in the given sentence.

SOLUTION: there is an eertne on a place with spoon

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

SOLUTION: a group of people riding in a black raft

PROBLEM: Sentence: 'the person is riding a horse and buggy down the road'. Reverse all words of length '5' in the given sentence.

SOLUTION:
the person is riding a esroh and yggub down the road