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 heard of animals in a field approaching the water'. Reverse all words of length '11' in the given sentence.

SOLUTION: a heard of animals in a field gnihcaorppa the water

PROBLEM: Sentence: 'a person that is skateboarding on a ramp'. Reverse all words of length '13' in the given sentence.

SOLUTION: a person that is gnidraobetaks on a ramp

PROBLEM: Sentence: 'a man and woman standing with luggage in a waiting area'. Reverse all words of length '7' in the given sentence.

SOLUTION:
a man and woman standing with egaggul in a gnitiaw area