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

Q: Sentence: 'a boy riding his skate board on an obstacle course'. Replace the letter 'e' with 'b' in the sentence.

A: a boy riding his skatb board on an obstaclb coursb
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Q: Sentence: 'a red stop signed has been altered to say stop hate'. Replace the letter 'e' with 't' in the sentence.

A: a rtd stop signtd has bttn alttrtd to say stop hatt
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Q: Sentence: 'the white. kitchen features very contemporary cabinet arrangements'. Replace the letter 'h' with 'a' in the sentence.

A:
tae waite. kitcaen features very contemporary cabinet arrangements
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