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

Sentence: 'a shot looks down on a person riding a long board'. Replace the letter 'o' with 'u' in the sentence.
a shut luuks duwn un a persun riding a lung buard

Sentence: 'a zebra is eating hay in a fenced enclosure'. Replace the letter 'e' with 'i' in the sentence.
a zibra is iating hay in a fincid inclosuri

Sentence: 'a dog lying on the sunny cement behind a parked truck'. Replace the letter 't' with 'g' in the sentence.

a dog lying on ghe sunny cemeng behind a parked gruck