2347
This team , which had received three months of training in the US last year , went immediately into action after their long air trip , as the search and rescue command center in El Salvador arranged for it to head to Las Colinas , where the worst of the disaster had taken place .
 three months, US, last year, El Salvador, Las Colinas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 three months, US, last year, El Salvador, Las Colinas