In this task, you need to replace a letter in the sentence with another given letter.
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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: 'four people are playing an interesting game in the park'. Replace the letter 'e' with 'x' in the sentence.

Answer: four pxoplx arx playing an intxrxsting gamx in thx park


Question: Sentence: 'a person on skis going down a hill with trees in background'. Replace the letter 'l' with 's' in the sentence.

Answer:
a person on skis going down a hiss with trees in background