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["John","Smith","(312) 555-1234","john.smith@gmail.com",60601,45.0,"Active","Great worker"]
["Jane","Doe","(773) 555-5678","jane.doe@yahoo.com",60614,52.5,"Active","Prefers morning shifts, very reliable"]
["Bob","","N/A","bob@test.com",60601,38.0,"Inactive",""]
["Alice","Johnson","(312) 555-9999","alice.j@outlook.com",60610,61.0,"Active","SQL and Python skills"]
["","Williams","(847) 555-0000","w@gmail.com",null,40.0,"Active","Missing first name"]