6804
Migrations from Mexico to North America or Europe have occurred several times throughout history , probably linked to the movement of tubers .
 location: Mexico; location: North America; location: Europe
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Mexico; location: North America; location: Europe