instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a group of women are sitting at a table eating lunch'. Replace the letter 'e' with 'k' in the sentence.
answer:
a group of womkn ark sitting at a tablk kating lunch


question:
Sentence: 'a small bird perched on a open window'. Replace the letter 'e' with 'r' in the sentence.
answer:
a small bird prrchrd on a oprn window


question:
Sentence: 'a photo of a monitor and a computer keyboard on a desk'. Replace the letter 'a' with 'k' in the sentence.
answer:

k photo of k monitor knd k computer keybokrd on k desk