5850
Dismal sales at General Motors Corp. dragged the U.S. car and truck market down below year - ago levels in early October , the first sales period of the 1990 model year .
 organization: General Motors Corp.; geographical social political: U.S.; date: year - ago; date: early October; ordinal: first; date: 1990
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:
 organization: General Motors Corp.; geographical social political: U.S.; date: year - ago; date: early October; ordinal: first; date: 1990