Female can Conceive. Female is related to Secretary. Secretary is a type of Desk. Desk is related to Wooden. 
Interval is a type of Set. Interval is a synonym of Spell. 
Conceive <--CapableOf-- Female <--RelatedTo--> Secretary --IsA--> Desk <--RelatedTo--> Wooden 
Set <--IsA-- Interval <--Synonym--> Spell 