sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How do I get rid of a double chin?
 sentence 2: How do you get rid of a double chin? sentence 1: How do we ping someone's cell phone?
 sentence 2: How do I ping my friends phone? sentence 1: Do lesbians like the feeling of a penis in their vagina?
 sentence 2: Do lesbians experience the urge to have a penis doing up and down in their vagina? sentence 1: How can I keep my protected health information secure?
 sentence 2: As a beginner with very limited funds, where should I begin to trade?
not same meaning
not same meaning
same meaning
same meaning
not same meaning