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

Input: Consider Input: Sentence: 'a close up of a grassy beach showing an umbrella and wind board'. Replace the letter 'a' with 'f' in the sentence.

Output: f close up of f grfssy befch showing fn umbrellf fnd wind bofrd


Input: Consider Input: Sentence: 'a rare picture of an individual within this image'. Replace the letter 'd' with 'z' in the sentence.

Output: a rare picture of an inzivizual within this image


Input: Consider Input: Sentence: 'a man and woman standing outside near their bicycles'. Replace the letter 'h' with 'n' in the sentence.


Output: a man and woman standing outside near tneir bicycles