sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What are some examples of ethical misconducts in research?
 sentence 2: What are some examples of ethical misconducts in business? sentence 1: Why does Detroit airport have its airport signs in Japanese?
 sentence 2: Have you had any bad experiences on the job?
not same meaning
not same meaning
not same meaning