sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: If someone blocked you on imo can you still see the last time they were online?
 sentence 2: How do you know if someone blocked you at imo? sentence 1: What is a pet?
 sentence 2: What does your pet think of you? sentence 1: What are some of the best countries in the world for students to study in?
 sentence 2: What are the best countries in the world in education? sentence 1: What is the best way to learn violin? Is it on the Internet (any source) or through coaching?
 sentence 2: How can I learn how to play violin?
not same meaning
not same meaning
not same meaning
same meaning
same meaning