Please choose the correct answer to the question: Aubrey conducted job interviews with 10 candidates. Aubrey was able to hire only 2 people. Aubrey shook hands with 8 unemployed workers respectively. Why did Aubrey do this?

Answer1: set a time with many people Answer2: inspect their hand muscles' strength Answer3: say goodbye to them

Answer format: answer1/answer2/answer3
Answer: answer3