6805
Until the 1970 s , the A2 mating type was restricted to Mexico , but now in many regions of the world both A1 and A2 isolates can be found in the same region .
 location: Mexico
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