sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Which US cities have/had a notable hip hop music scene?
 sentence 2: Is it possible to download a low resolution version of a high resolution image from a URL? sentence 1: What's the best why to start up a cafe?
 sentence 2: How do I start a cafe? sentence 1: What is the vector of a random variable?
 sentence 2: What is a vector-valued random variable? sentence 1: Why was a "Friends" episode dedicated to Pearl Harmon?
 sentence 2: A "Friends" episode was dedicated to Pearl Harmon. Who is that? sentence 1: What is the average annual salary in India?
 sentence 2: What is the average salary in india?
not same meaning
not same meaning
same meaning
not same meaning
same meaning
same meaning