15414
It was first discovered in the United States in 1941 , in Canada during the 1960 s , in India during 1961 and in Mexico during the 1970 s .
 location: United States; location: Canada; location: India; location: Mexico
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: United States, Canada, India, Mexico 
Answer:
 location: United States; location: Canada; location: India; location: Mexico