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

Sentence: 'a young boy riding his skateboard down the sidewalk'. Replace the letter 'd' with 'p' in the sentence.
a young boy riping his skateboarp pown the sipewalk

Sentence: 'a black cat is sniffing a glass bottle'. Replace the letter 'c' with 'f' in the sentence.
a blafk fat is sniffing a glass bottle

Sentence: 'a jersey cow peeks between several young tree limbs'. Replace the letter 'b' with 'k' in the sentence.

a jersey cow peeks ketween several young tree limks