Reliability is derived from Ability. Ability is related to Sight. Light can be used for Sight. Light is related to Stop. 
Roman is a type of European. Pole is a type of European. Pole is a synonym of Stake. 
Reliability --DerivedFrom--> Ability <--RelatedTo--> Sight <--UsedFor-- Light <--RelatedTo--> Stop 
Roman --IsA--> European <--IsA-- Pole <--Synonym--> Stake 