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

Example Input: Sentence: 'a train moving on a track during the day'. Replace the letter 't' with 'q' in the sentence.
Example Output: a qrain moving on a qrack during qhe day

Example Input: Sentence: 'a close up of a bathroom sink with soap and tooth brushes in a cup'. Replace the letter 't' with 'y' in the sentence.
Example Output: a close up of a bayhroom sink wiyh soap and yooyh brushes in a cup

Example Input: Sentence: 'a blurry image of a baseball batter waiting to swing'. Replace the letter 'o' with 'h' in the sentence.
Example Output:
a blurry image hf a baseball batter waiting th swing