instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a woman sitting in front of a laptop computer'. Replace the letter 'u' with 'o' in the sentence.
answer:
a woman sitting in front of a laptop compoter

question:
Sentence: 'two knives are embedded in a wooden table'. Replace the letter 'a' with 'l' in the sentence.
answer:
two knives lre embedded in l wooden tlble

question:
Sentence: 'a big brown bear half submerged in a river'. Replace the letter 'd' with 'h' in the sentence.
answer:
a big brown bear half submergeh in a river