sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: I want to start writing. How should I start?
 sentence 2: I want to start writing. How do I begin? sentence 1: When do I ask my crush out?
 sentence 2: When should I ask my crush out? sentence 1: What is the funniest joke you ever heard?
 sentence 2: What's the funniest highbrow joke you've ever heard? sentence 1: What is the difference between oral polio vaccine and inactivated polio vaccine (IPV)?
 sentence 2: When was the polio vaccine developed? sentence 1: The College and University Experience: What is it like to major in physics?
 sentence 2: What is it like to be a physics major at the University of Michigan?
not same meaning
same meaning
not same meaning
same meaning
not same meaning
not same meaning