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: 'an alarm clock sitting with other objects in a window sill'. Reverse all words of length '5' in the given sentence.

SOLUTION: an mrala kcolc sitting with rehto objects in a window sill

PROBLEM: Sentence: 'giraffes are standing in the grass near water and trees'. Reverse all words of length '4' in the given sentence.

SOLUTION: giraffes are standing in the grass raen water and trees

PROBLEM: Sentence: 'this is men sitting with their tennis rackets'. Reverse all words of length '5' in the given sentence.

SOLUTION:
this is men sitting with rieht tennis rackets