sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How long does meth say in your urine?
 sentence 2: How long meth stay in system? sentence 1: In what ways is Australia better or different than America?
 sentence 2: How is living in Australia different from living in the United States? sentence 1: How do you get a guy to give flowers?
 sentence 2: Can an electron have zero distance to the nucleus? If yes then E=mv^2/2 - Ke^2/r will be there infinite energy? Maybe when an atom is fully shrinked? sentence 1: What is the difference between religion and ethics?
 sentence 2: Peter Singer: What is the relation between religion and ethics?
not same meaning
same meaning
same meaning
not same meaning
same meaning