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 black cat sitting on top of a laptop on a table'. Reverse all words of length '5' in the given sentence.

SOLUTION: a kcalb cat sitting on top of a laptop on a elbat

PROBLEM: Sentence: 'two men in baseball uniforms running across a field'. Reverse all words of length '7' in the given sentence.

SOLUTION: two men in baseball uniforms gninnur across a field

PROBLEM: Sentence: 'a happy snow boarder poses on the slopes in a light snow'. Reverse all words of length '3' in the given sentence.

SOLUTION:
a happy snow boarder poses on eht slopes in a light snow