48321
Replacing the 389 and 421 V8s of previous years were new 400 and 428 cubic-inch V8s with bigger valves and a valve angle change built off the same Pontiac V8 design in use since 1955 .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None