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The show , despite a promising start , has slipped badly in the weekly ratings as compiled by A.C. Nielsen Co. , finishing far below `` Tonight '' on NBC , a unit of General Electric Co. , and `` Nightline '' on ABC - TV , a unit of Capital Cities / ABC Inc .
 date: weekly; organization: A.C. Nielsen Co.; work of art: Tonight; organization: NBC; organization: General Electric Co.; work of art: Nightline; organization: ABC - TV; organization: Capital Cities / ABC Inc
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 date: weekly; organization: A.C. Nielsen Co.; work of art: Tonight; organization: NBC; organization: General Electric Co.; work of art: Nightline; organization: ABC - TV; organization: Capital Cities / ABC Inc