question: The purpose of the Compass-M1 satellite is similar to the purpose of what other satellite ?
answer: the GIOVE satellites for the Galileo system
turker_answer: The purpose of the Compass-M1 satellite is similar to the purpose of the GIOVE satellites for the Galileo system .
rule-based: The purpose of the Compass-M1 satellite is similar to the purpose of the GIOVE satellites for the Galileo system other satellite .