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1. The introduction section of 'The comet II" starts with a discussion between Sir John Macpherson and Duttada.
   
 
2. Comet II is expected to provide a solution for Comet I.
   
 
3. Astronomers, computer scientists, nuclear physicists, space technologists, and biologists were all present at the international conference.
   
 
4. Manoj Dutta was not invited to the international conference.