instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a woman is talking on her white phone'. Replace the letter 'w' with 'r' in the sentence.
answer:
a roman is talking on her rhite phone


question:
Sentence: 'horses drink and graze the field and water'. Replace the letter 'i' with 'c' in the sentence.
answer:
horses drcnk and graze the fceld and water


question:
Sentence: 'a group of skiiers racing down a hill'. Replace the letter 'e' with 'q' in the sentence.
answer:

a group of skiiqrs racing down a hill