Lead entails/necessarily involves Compete. Lead is related to Fishing. Lake can be used for Fishing. Lake is related to Feature. 
Nose is related to Scent. Scent is related to Pine. Pine is related to Apple. Apple is related to Company. 
Compete <--Entails-- Lead <--RelatedTo--> Fishing <--UsedFor-- Lake <--RelatedTo--> Feature 
Nose <--RelatedTo--> Scent <--RelatedTo--> Pine <--RelatedTo--> Apple <--RelatedTo--> Company 