In this task, you need to replace a letter in the sentence with another given letter.

Input: Consider Input: Sentence: 'a baseball player up to bat that just hit the ball'. Replace the letter 'r' with 'o' in the sentence.

Output: a baseball playeo up to bat that just hit the ball


Input: Consider Input: Sentence: 'a couple of brown bears walking across a lush green field'. Replace the letter 'w' with 'o' in the sentence.

Output: a couple of broon bears oalking across a lush green field


Input: Consider Input: Sentence: 'a zebra patterned set of hair brushes sitting on each other'. Replace the letter 'r' with 'a' in the sentence.


Output: a zebaa patteaned set of haia baushes sitting on each othea