Compare is a type of Analyze. Compare is a type of Be. Disagree is a type of Be. Argue entails/necessarily involves Disagree. 
Understanding is related to Get. you would Lie because Get. 
Analyze <--IsA-- Compare --IsA--> Be <--IsA-- Disagree <--Entails-- Argue 
Understanding <--RelatedTo--> Get <--MotivatedByGoal-- Lie 