Answer:
The 1st one is possessive The 2nd one is I think nominative The 3rd might be objective. Hope it helps
Explanation:
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Italy has the best food in the world, according to data from the 2016 Best Countries rankings – a characterization of 60 countries based on a survey of more than 16,000 people from four regions.
It might be a or b
Sorry I couldn’t be much help :-(