2295
the spill was caused by a leak in a kuwaiti tanker carrying 160,000 tonnes of crude , after it collided with a dredger further south on december 14 .
 spill, leak
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
Answer:
 spill, leak