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

Example Input: Sentence: 'a plate with some meat, potatoes, carrots and some corn'. Replace the letter 'e' with 'q' in the sentence.
Example Output: a platq with somq mqat, potatoqs, carrots and somq corn

Example Input: Sentence: 'a photo of a woman milking a brown cow'. Replace the letter 'k' with 'q' in the sentence.
Example Output: a photo of a woman milqing a brown cow

Example Input: Sentence: 'the tennis player is ready to return the ball'. Replace the letter 'l' with 'p' in the sentence.
Example Output:
the tennis ppayer is ready to return the bapp