sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What is the actual use of marker interfaces in Java?
 sentence 2: Why do we use marker interface in Java? sentence 1: How can we optimize a website which has million pages?
 sentence 2: Can we optimize a website which has pages in millions? sentence 1: Does Sasuke become good?
 sentence 2: Who would win between Sasuke Uchiha and Scorpion?
not same meaning
same meaning
same meaning
not same meaning