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

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 dog wearing a pink life jayket sitting on a surf board in the oyean

Sentence: 'a city street with cars and busses near buildings'. Replace the letter 'e' with 'd' in the sentence.
a city strddt with cars and bussds ndar buildings

Sentence: 'a person holding a pair of scissors up to their head'. Replace the letter 't' with 'a' in the sentence.

a person holding a pair of scissors up ao aheir head