153461
Truck drivers participated in widespread strikes against the rising cost of fuel , during the energy crises of 1973 and 1979 , and the industry was drastically deregulated by the Motor Carrier Act of 1980 .
 None
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