instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a bunch of animals that are runing in a field'. Replace the letter 'm' with 'j' in the sentence.
answer:
a bunch of anijals that are runing in a field


question:
Sentence: 'the people are in the library working and studying'. Replace the letter 'r' with 'g' in the sentence.
answer:
the people age in the libgagy wogking and studying


question:
Sentence: 'a rainbow in a stormy sky above city buildings'. Replace the letter 's' with 'j' in the sentence.
answer:

a rainbow in a jtormy jky above city buildingj