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india plans to build a constellation of seven geo-stationary satellites at a cost of rs 1,600 crore to meet the navigational system requirements in cars , trains and aircraft .
 member collection: constellation, satellites
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:  constellation, satellites 
Answer:
 member collection: constellation, satellites