22995
In the 1970s , Mr. Brody helped develop the first display panels based on active - matrix liquid crystals at Westinghouse Electric Corp. 's research labs in Pittsburgh .
 date: the 1970s; person: Brody; ordinal: first; organization: Westinghouse Electric Corp. 's; geographical social political: Pittsburgh
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: the 1970s, Brody, first, Westinghouse Electric Corp. 's, Pittsburgh 
Answer:
 date: the 1970s; person: Brody; ordinal: first; organization: Westinghouse Electric Corp. 's; geographical social political: Pittsburgh