In this task, you need to replace a letter in the sentence with another given letter.
--------
Question: Sentence: 'a group of small children sitting at a table in front of a pizza'. Replace the letter 'r' with 'd' in the sentence.

Answer: a gdoup of small childden sitting at a table in fdont of a pizza


Question: Sentence: 'a baseball player running on a baseball field'. Replace the letter 'e' with 'h' in the sentence.

Answer: a bashball playhr running on a bashball fihld


Question: Sentence: 'a dog running in a yard with a mangled frisbee in its mouth'. Replace the letter 'a' with 'j' in the sentence.

Answer:
j dog running in j yjrd with j mjngled frisbee in its mouth