Conscious is related to Voluntary. Voluntary is the opposite of Duty. Duty is derived from Due. Due is related to Like. 
Twist is related to Lemon. Lemon is a different concept from Orange. 
Conscious <--RelatedTo--> Voluntary <--Antonym--> Duty --DerivedFrom--> Due <--RelatedTo--> Like 
Twist <--RelatedTo--> Lemon <--DistinctFrom--> Orange 