sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What exactly does 'doing something with your life' mean, and how can I know if I have accomplished it?
 sentence 2: I have everything in life but I want to do something. I am not sure what it is. How do I know? sentence 1: What does the 10th Amendment of the U.S. Constitution mean?
 sentence 2: What exactly does the 7th Amendment of the U.S. Constitution mean? sentence 1: What are some uses for Apache Spark?
 sentence 2: When should I be using Apache spark? sentence 1: What are the best things to do in Toronto?
 sentence 2: What are the best things to see and do in Toronto for a few days?
not same meaning
not same meaning
not same meaning
same meaning
not same meaning