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

Example Input: Sentence: 'it pays a cat to be suspicious of what your owner tries to feed you'. Replace the letter 'o' with 'g' in the sentence.
Example Output: it pays a cat tg be suspicigus gf what ygur gwner tries tg feed ygu

Example Input: Sentence: 'a bowl filled with vegetables and noodles on a table'. Replace the letter 'l' with 'r' in the sentence.
Example Output: a bowr firred with vegetabres and noodres on a tabre

Example Input: Sentence: 'a couple of elephants standing near some green trees'. Replace the letter 'o' with 'a' in the sentence.
Example Output:
a cauple af elephants standing near same green trees