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On 11 November 2007 there was a great storm that passed through the city , causing much damage and an ecological disaster as a few ships , including an oil tanker , were shipwrecked and blocked the Kerch Strait .
 Kerch Strait
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Kerch Strait