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

Sentence: 'a woman sitting on a wooden chair holding a cat'. Replace the letter 'n' with 'q' in the sentence.
a womaq sittiqg oq a woodeq chair holdiqg a cat

Sentence: 'a close up of a grassy beach showing an umbrella and wind board'. Replace the letter 'a' with 'f' in the sentence.
f close up of f grfssy befch showing fn umbrellf fnd wind bofrd

Sentence: 'black show on a written on skate board'. Replace the letter 't' with 'g' in the sentence.

black show on a wriggen on skage board