instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a plate with some mean and vegetables on it'. Replace the letter 'a' with 'f' in the sentence.
answer:
f plfte with some mefn fnd vegetfbles on it


question:
Sentence: 'a zebra is eating hay in a fenced enclosure'. Replace the letter 'e' with 'i' in the sentence.
answer:
a zibra is iating hay in a fincid inclosuri


question:
Sentence: 'there are two bears walking through the water'. Replace the letter 'w' with 's' in the sentence.
answer:

there are tso bears salking through the sater