In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'this is a cute dog sticking his head out of the window of a red car'. Replace the letter 'e' with 'z' in the sentence.

Answer: this is a cutz dog sticking his hzad out of thz window of a rzd car

Question: Sentence: 'a white plate topped with two sandwich halves and a pile of potatoes chips'. Replace the letter 'o' with 'x' in the sentence.

Answer: a white plate txpped with twx sandwich halves and a pile xf pxtatxes chips

Question: Sentence: 'an overhead view of a city cross walk on a rainy day features an array of colorful umbrellas'. Replace the letter 's' with 'd' in the sentence.

Answer:
an overhead view of a city crodd walk on a rainy day featured an array of colorful umbrellad