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which movie about a time travelling car was directed by robert zemeckis
 plot: time travelling car; director: robert zemeckis
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: time travelling car, robert zemeckis 
Answer:
 plot: time travelling car; director: robert zemeckis