142
the castle has two big concentric towers , corresponding to a three-story building with two smaller towers at its exterior angles .
 component whole: castle, towers
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  castle, towers 
Answer:
 component whole: castle, towers