instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a ski slope consisting of several people wearing skis and snowboards'. Replace the letter 'e' with 's' in the sentence.
answer:
a ski slops consisting of ssvsral psopls wsaring skis and snowboards


question:
Sentence: 'a woman walks by with a large suitcase and a polka dot umbrella'. Replace the letter 'e' with 'n' in the sentence.
answer:
a woman walks by with a largn suitcasn and a polka dot umbrnlla


question:
Sentence: 'a window with blinds that are pulled up halfway'. Replace the letter 'e' with 'b' in the sentence.
answer:

a window with blinds that arb pullbd up halfway