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

[Q]: Sentence: 'a close up of a grassy beach showing an umbrella and wind board'. Replace the letter 'a' with 'f' in the sentence.
[A]: f close up of f grfssy befch showing fn umbrellf fnd wind bofrd

[Q]: Sentence: 'someone playing frisbee with a dog in the middle of a court'. Replace the letter 'd' with 'r' in the sentence.
[A]: someone playing frisbee with a rog in the mirrle of a court

[Q]: Sentence: 'a parasailer glides through the water with ease'. Replace the letter 'l' with 'q' in the sentence.
[A]:
a parasaiqer gqides through the water with ease