sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What are the best colleges for Aerospace engineering in India?
 sentence 2: Which are best aerospace engineer college in India? sentence 1: Why is there a blue flame in burning LPG gas and a yellow flame on burning wood?
 sentence 2: Why can I see through the blue part of a lighter flame? sentence 1: How can I restore the deleted data from my formatted SD cards?
 sentence 2: How do I recover photos / videos / files accidentally deleted from an SD / microSD / CF / memory Stick Duo / USB memory card / Pen Drive?
not same meaning
same meaning
not same meaning
not same meaning