sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Is Gatorade a good hangover cure?
 sentence 2: What is your personal hangover cure? sentence 1: How do you know when to end a relationship for good?
 sentence 2: How do you know when a relationship is ending? sentence 1: How do I get rid of my acne and get nice skin?
 sentence 2: How do I get rid of acne and its spots? sentence 1: What is trustedinstaller.exe?
 sentence 2: What does Javac.exe do?
not same meaning
not same meaning
not same meaning
same meaning
not same meaning