In this task, you need to replace a letter in the sentence with another given letter.
--------
Question: Sentence: 'a person is standing in the snow in skis'. Replace the letter 'g' with 'x' in the sentence.

Answer: a person is standinx in the snow in skis

Question: Sentence: 'a white kitchen with bottles and pots on the counter'. Replace the letter 'a' with 'p' in the sentence.

Answer: p white kitchen with bottles pnd pots on the counter

Question: Sentence: 'a couple walking down a sidewalk next to some graffiti'. Replace the letter 'a' with 'y' in the sentence.

Answer:
y couple wylking down y sidewylk next to some gryffiti