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 group of five people in white snow outfits cross country skiing'. Reverse all words of length '5' in the given sentence.

SOLUTION: a puorg of five people in etihw snow outfits ssorc country skiing

PROBLEM: Sentence: 'an assortment of chinese dinner options are arranged'. Reverse all words of length '8' in the given sentence.

SOLUTION: an assortment of chinese dinner options are degnarra

PROBLEM: Sentence: 'girl standing at train station next to red train'. Reverse all words of length '4' in the given sentence.

SOLUTION:
lrig standing at train station txen to red train