You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Q: Paragraph: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.
 Question: Robin has an old computer that runs quickly, and Bryan has a weak new computer. When working on the same task, the computer that will finish the task first is 
 Choices: A)Robin's 
B)Bryan's
A:
Robin's