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

Input: Consider Input: Sentence: 'a train moving on a track during the day'. Replace the letter 't' with 'q' in the sentence.

Output: a qrain moving on a qrack during qhe day


Input: Consider Input: Sentence: 'a group of small children sitting at a table in front of a pizza'. Replace the letter 'r' with 'd' in the sentence.

Output: a gdoup of small childden sitting at a table in fdont of a pizza


Input: Consider Input: Sentence: 'a monkey teddy bear below a regular teddy bear'. Replace the letter 't' with 'o' in the sentence.


Output: a monkey oeddy bear below a regular oeddy bear