Trail is a synonym of Way. Way is a type of Category. Category is a type of Concept. Hypothesis is a type of Concept. 
Sell entails/necessarily involves Give. Album can be used for Sell. Chronic is a type of Album. Chronic is a synonym of Continuing. 
Trail <--Synonym--> Way --IsA--> Category --IsA--> Concept <--IsA-- Hypothesis 
Give <--Entails-- Sell <--UsedFor-- Album <--IsA-- Chronic <--Synonym--> Continuing 