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

Q: Sentence: 'a rare picture of an individual within this image'. Replace the letter 'd' with 'z' in the sentence.

A: a rare picture of an inzivizual within this image
****
Q: Sentence: 'this is a tennis player getting ready to serve the ball'. Replace the letter 'h' with 'y' in the sentence.

A: tyis is a tennis player getting ready to serve tye ball
****
Q: Sentence: 'a boy talking a picture of himself while in front of the mirror'. Replace the letter 'r' with 'o' in the sentence.

A:
a boy talking a pictuoe of himself while in foont of the mioooo
****