instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a person and a dog are on a bench'. Replace the letter 'e' with 'r' in the sentence.
answer:
a prrson and a dog arr on a brnch


question:
Sentence: 'a crowd looking at a trio of planes that are sitting idle'. Replace the letter 'a' with 'e' in the sentence.
answer:
e crowd looking et e trio of plenes thet ere sitting idle


question:
Sentence: 'a man sits at a dinner table in a restaurant'. Replace the letter 'e' with 'd' in the sentence.
answer:

a man sits at a dinndr tabld in a rdstaurant