GreenDex+Country+Formula
answer = "Unknown" if isKnown(c1) answer = c1 if isKnown(c2) answer = c2 answer
Country of origin
Research lock_open
![Commons+Image](https://wikirate-production-storage.fra1.cdn.digitaloceanspaces.com/files/3424921/40204433-icon.png)
Commons
c1
answer = "Unknown" if isKnown(c1) answer = c1 if isKnown(c2) answer = c2 answer