sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What's the function of cell membrane?
 sentence 2: What function does the cell or plasma membrane serve? sentence 1: How can you promote a blog on Tumblr?
 sentence 2: How do I use the blog on Tumblr? sentence 1: What should be the server hosting cost as a % of revenue and gross margins for a financial app on SAAS for a sustainable business model?
 sentence 2: Can your gross margin be too high? What can be the problems that come from trying to sustain a high gross margin rather than letting it fall? sentence 1: What's another word for "word"?
 sentence 2: What is another word for the word "word"? sentence 1: Can I turn off my PC during external HD formatting?
 sentence 2: What would be the life of a hard disk (external) if it is kept turned on every day or switched off very rarely? sentence 1: Will Google Alerts ever have a web interface?
 sentence 2: Is the Google Alerts web interface broken?
not same meaning
same meaning
not same meaning
not same meaning
same meaning
not same meaning
not same meaning