instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a woman gives a thumbs up sign while sitting in front of a sandwich'. Replace the letter 's' with 'h' in the sentence.
answer:
a woman giveh a thumbh up hign while hitting in front of a handwich


question:
Sentence: 'stone and white colored structure in front of white modern building'. Replace the letter 'r' with 'p' in the sentence.
answer:
stone and white coloped stpuctupe in fpont of white modepn building


question:
Sentence: 'there is a dog sitting inside this pick up truck'. Replace the letter 'i' with 'x' in the sentence.
answer:

there xs a dog sxttxng xnsxde thxs pxck up truck