Absorb is a type of Fund. Absorb is a synonym of Steep. Steep is related to Vertical. 
Mechanical is related to Automatic. Automatic is a type of Gun. Stock is part of Gun. 
Fund <--IsA-- Absorb <--Synonym--> Steep <--RelatedTo--> Vertical 
Mechanical <--RelatedTo--> Automatic --IsA--> Gun <--PartOf-- Stock 