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

[Q]: Sentence: 'a dog wearing a pink life jacket sitting on a surf board in the ocean'. Replace the letter 'c' with 'y' in the sentence.
[A]: a dog wearing a pink life jayket sitting on a surf board in the oyean


[Q]: Sentence: 'a woman sitting in front of a laptop computer'. Replace the letter 'u' with 'o' in the sentence.
[A]: a woman sitting in front of a laptop compoter


[Q]: Sentence: 'a big dog runs with a toy in its mouth'. Replace the letter 's' with 'a' in the sentence.
[A]:
a big dog runa with a toy in ita mouth