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

Example Input: Sentence: 'a tv and equipment sitting on a console'. Replace the letter 't' with 'l' in the sentence.
Example Output: a lv and equipmenl silling on a console

Example Input: Sentence: 'a cake, pitcher, bowl and package of frosting sitting on a table'. Replace the letter 't' with 'g' in the sentence.
Example Output: a cake, pigcher, bowl and package of frosging sigging on a gable

Example Input: Sentence: 'two men on motorcycles next to a stop sign'. Replace the letter 'n' with 'm' in the sentence.
Example Output:
two mem om motorcycles mext to a stop sigm