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They 're focusing on an abandoned apartment where bomb - making materials were found , but today , the Yemen President claims that the explosive found could only come from the U.S. or Israel , implying that the materials or the weapon itself were Western - made .
 today, Yemen, U.S., Israel, Western
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:
 today, Yemen, U.S., Israel, Western