instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a basket holds flowers, twigs, and various fruits'. Replace the letter 'a' with 'g' in the sentence.
answer:
g bgsket holds flowers, twigs, gnd vgrious fruits


question:
Sentence: 'a woman is playing tennis on the tennis court'. Replace the letter 'r' with 'z' in the sentence.
answer:
a woman is playing tennis on the tennis couzt


question:
Sentence: 'a group of people standing with wine glasses'. Replace the letter 's' with 'f' in the sentence.
answer:

a group of people ftanding with wine glaffef