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

Example Input: Sentence: 'a man sitting at a table and using his laptop'. Replace the letter 'd' with 'o' in the sentence.
Example Output: a man sitting at a table ano using his laptop

Example Input: Sentence: 'two cats sitting on an office chair next to a desk'. Replace the letter 's' with 'j' in the sentence.
Example Output: two catj jitting on an office chair next to a dejk

Example Input: Sentence: 'a woman in a suit and tie touching a glass'. Replace the letter 'h' with 'g' in the sentence.
Example Output:
a woman in a suit and tie toucging a glass