instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man in black shirt laying on bed with a teddy bear'. Replace the letter 'd' with 'b' in the sentence.
answer:
a man in black shirt laying on beb with a tebby bear


question:
Sentence: 'a white stove top oven sitting in a kitchen'. Replace the letter 'k' with 'b' in the sentence.
answer:
a white stove top oven sitting in a bitchen


question:
Sentence: 'the vandalized stop sign sits in front of the railroad crossing sign, and a large tank'. Replace the letter 'e' with 'i' in the sentence.
answer:

thi vandalizid stop sign sits in front of thi railroad crossing sign, and a largi tank