In this task, you need to replace a letter in the sentence with another given letter.
--------
Question: Sentence: 'a group of giraffe standing on top of a dirt field'. Replace the letter 'a' with 'y' in the sentence.

Answer: y group of giryffe stynding on top of y dirt field


Question: Sentence: 'a giraffe standing alone with a low fence behind it'. Replace the letter 't' with 'o' in the sentence.

Answer: a giraffe soanding alone wioh a low fence behind io


Question: Sentence: 'there are three zebras in a row facing away from the camera'. Replace the letter 'i' with 'z' in the sentence.

Answer:
there are three zebras zn a row faczng away from the camera