sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How can i meditate?
 sentence 2: How do you start a meditation habit? sentence 1: How does first time sex feel like?
 sentence 2: How does having sex feel for the first time? sentence 1: Will a DVD player play MP4 files?
 sentence 2: What is the best DVD player to play MKV files?
not same meaning
not same meaning
same meaning
not same meaning