sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Freeduino is not working and it is giving me a code 10 error. Why is this happening?
 sentence 2: How badly will it affect me if I use my work laptop for personal coding projects during off-work hours? sentence 1: What is the best way of improving english vocabulary?
 sentence 2: What is the best way to learn vocabulary?
not same meaning
not same meaning
same meaning