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

Input: Consider Input: Sentence: 'a ski slope consisting of several people wearing skis and snowboards'. Replace the letter 'e' with 's' in the sentence.

Output: a ski slops consisting of ssvsral psopls wsaring skis and snowboards

Input: Consider Input: Sentence: 'a group of elephants near a body of water'. Replace the letter 'a' with 'q' in the sentence.

Output: q group of elephqnts neqr q body of wqter

Input: Consider Input: Sentence: 'two jet airliners on runway below cloudy sky'. Replace the letter 'w' with 'r' in the sentence.
Output: tro jet airliners on runray belor cloudy sky