2545
show me the 1970s or 1980s movie about groups of gangs in nyc who are trying to kill the members of one gang
 year: 1970s; year: 1980s; plot: about groups of gangs in nyc
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: genre, year, plot, average ratings, actor, title, song, character, rating, review, director, trailer 
Text: {0} 
 Entities: 1970s, 1980s, about groups of gangs in nyc 
Answer:
 year: 1970s; year: 1980s; plot: about groups of gangs in nyc