In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a group of people riding on top of snow boarding equipment'. Replace the letter 'e' with 'x' in the sentence.

Answer: a group of pxoplx riding on top of snow boarding xquipmxnt

Question: Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.

Answer: a person unher an open umbrella in the sanh

Question: Sentence: 'a group of motorcycles and scooters line a wall'. Replace the letter 'l' with 'h' in the sentence.

Answer:
a group of motorcyches and scooters hine a wahh