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 cow stands alone in a grassy field'. Reverse all words of length '3' in the given sentence.

SOLUTION: a black woc stands alone in a grassy field

PROBLEM: Sentence: 'three plates of meals at a table with drinks and silverwear'. Reverse all words of length '4' in the given sentence.

SOLUTION: three plates of meals at a table htiw drinks and silverwear

PROBLEM: Sentence: 'a man with his leg up getting ready to throw the baseball'. Reverse all words of length '2' in the given sentence.

SOLUTION:
a man with his leg pu getting ready ot throw the baseball