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

Example Input: Sentence: 'broccoli and cooked meat arranged on a plate'. Replace the letter 'c' with 'l' in the sentence.
Example Output: brolloli and looked meat arranged on a plate

Example Input: Sentence: 'the big sandwich features several different  colorful ingredients'. Replace the letter 'e' with 'o' in the sentence.
Example Output: tho big sandwich foaturos sovoral difforont  colorful ingrodionts

Example Input: Sentence: 'a large brown dog sitting behind a tiger cat'. Replace the letter 'a' with 'g' in the sentence.
Example Output:
g lgrge brown dog sitting behind g tiger cgt