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: 'pictures a candle a single flower and a stuffed bear on a table'. Reverse all words of length '6' in the given sentence.

SOLUTION: pictures a eldnac a elgnis rewolf and a stuffed bear on a table

PROBLEM: Sentence: 'some strawberries on a thing of food on a table'. Reverse all words of length '5' in the given sentence.

SOLUTION: some strawberries on a gniht of food on a elbat

PROBLEM: Sentence: 'a woman sitting in a chair talking on a cell phone'. Reverse all words of length '7' in the given sentence.

SOLUTION:
a woman gnittis in a chair gniklat on a cell phone