sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: As a Pakistani, how would you compare living in Islamabad, Karachi, and Lahore?
 sentence 2: Which city is better to live in, Mumbai or Karachi? sentence 1: Why is saltwater taffy candy imported in Brazil?
 sentence 2: Why is Saltwater Taffy candy imported in Portugal?
not same meaning
not same meaning
same meaning