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

Ex Input:
Sentence: 'a group of people on a beach flying a kite'. Replace the letter 'p' with 'i' in the sentence.

Ex Output:
a groui of ieoile on a beach flying a kite

Ex Input:
Sentence: 'a woman in blue jacket shaving a cows utters'. Replace the letter 'h' with 'q' in the sentence.

Ex Output:
a woman in blue jacket sqaving a cows utters

Ex Input:
Sentence: 'people on large bed, 3 laying down, on sitting, possibly discussing a subject'. Replace the letter 'g' with 't' in the sentence.

Ex Output:
people on larte bed, 3 layint down, on sittint, possibly discussint a subject