In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'three colorful knit bear toys with button eyes'. Replace the letter 'r' with 'z' in the sentence.

Answer: thzee colozful knit beaz toys with button eyes


Question: Sentence: 'a house cat sits on an oven door, sniffing the oven racks inside'. Replace the letter 'i' with 'y' in the sentence.

Answer: a house cat syts on an oven door, snyffyng the oven racks ynsyde


Question: Sentence: 'a giraffe bending over in tall grass by some trees'. Replace the letter 's' with 'c' in the sentence.

Answer:
a giraffe bending over in tall gracc by come treec