In this task, you need to replace a letter in the sentence with another given letter.
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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: 'an older red airplane is going straight up'. Replace the letter 'h' with 'z' in the sentence.

Answer: an older red airplane is going straigzt up


Question: Sentence: 'a man is holding a tennis racquet while preparing to hit the ball'. Replace the letter 'h' with 'm' in the sentence.

Answer:
a man is molding a tennis racquet wmile preparing to mit tme ball