sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What are the most serious threats to the public health?
 sentence 2: What are the most serious threats to public health? sentence 1: How do I fix a Philco air conditioner?
 sentence 2: In starfish, what is the function of ossicles? sentence 1: Which company should I join as a fresher, TCS or Virtusa?
 sentence 2: Is it a good decision to join Tcs as a fresher?
not same meaning
same meaning
not same meaning
not same meaning