you are likely to find Bulb in/at/on Land. Bulb is a synonym of Lamp. you are likely to find Lamp in/at/on Desk. Desk is related to Workplace. 
Coalition is a synonym of Alliance. Combination is a type of Alliance. Combined is derived from Combination. 
Land <--AtLocation-- Bulb <--Synonym--> Lamp --AtLocation--> Desk <--RelatedTo--> Workplace 
Coalition <--Synonym--> Alliance <--IsA-- Combination <--DerivedFrom-- Combined 