For Which Argument Below Are the Premises Independent

Multiple Choice

For which argument below are the premises independent?

A) Premises: Spinach contains iron.This omelet contains spinach.Conclusion: This omelet contains iron.
B) Premises: The rule of law allows people to know the consequences of their actions.The rule of law is fair to all people.Conclusion: The rule of law is a worthy idea.
C) Premises: Lagos is in Nigeria.Nigeria is in Africa.Conclusion: Lagos is in Africa.
D) Premises: Japan has a thriving electronics industry.Any country with a thriving electronics industry is wealthy.Conclusion: Japan is wealthy.
E) Premises: Laser eye surgery is getting cheaper.Cheaper goods have greater appeal.Conclusion: Laser eye surgery is becoming more appealing.