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

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: 'a table with three different plates and several drinks on it'. Replace the letter 't' with 'x' in the sentence.

Ex Output:
a xable wixh xhree differenx plaxes and several drinks on ix

Ex Input:
Sentence: 'a bird that is sitting on a tub full of water'. Replace the letter 'a' with 'r' in the sentence.

Ex Output:
r bird thrt is sitting on r tub full of wrter