sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Why is JavaScript the future of web development?
 sentence 2: What's the future of JavaScript? sentence 1: What are the least useful courses that people typically take for a degree in photojournalism?
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not same meaning
not same meaning
not same meaning
not same meaning
same meaning
not same meaning