In this task, you need to replace a letter in the sentence with another given letter.

[EX Q]: Sentence: 'a painting of scissors going to cut a chain with a lock'. Replace the letter 'g' with 'v' in the sentence.
[EX A]: a paintinv of scissors voinv to cut a chain with a lock

[EX Q]: Sentence: 'a few zebras that are next to each other'. Replace the letter 'o' with 'u' in the sentence.
[EX A]: a few zebras that are next tu each uther

[EX Q]: Sentence: 'a group of sheep grazing on a field with a tree nearby'. Replace the letter 'n' with 'b' in the sentence.
[EX A]:
a group of sheep grazibg ob a field with a tree bearby