instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a wooden table topped with lots of sandwiches'. Replace the letter 's' with 'd' in the sentence.
answer:
a wooden table topped with lotd of dandwiched


question:
Sentence: 'a man in a baseball cap watching something in the air'. Replace the letter 'g' with 'o' in the sentence.
answer:
a man in a baseball cap watchino somethino in the air


question:
Sentence: 'a man walking down a road in front of a double decker bus'. Replace the letter 'u' with 'p' in the sentence.
answer:

a man walking down a road in front of a dopble decker bps