59433
High and relatively regular levels of precipitation in the Amazon contrast sharply with the dryness of the semiarid Northeast , where rainfall is scarce and there are severe droughts in cycles averaging seven years .
 Amazon, Northeast
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Amazon, Northeast