instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a group of people walking along a dirty snow covered road'. Replace the letter 'n' with 'i' in the sentence.
answer:
a group of people walkiig aloig a dirty siow covered road


question:
Sentence: 'a wooden bench near a tree and a stone wall'. Replace the letter 'l' with 'q' in the sentence.
answer:
a wooden bench near a tree and a stone waqq


question:
Sentence: 'the two giraffes are looking to be fed by the wall'. Replace the letter 'e' with 'q' in the sentence.
answer:

thq two giraffqs arq looking to bq fqd by thq wall