Candle can be used for Romance. Candle can be used for Light. you are likely to find Light in/at/on Porch. you are likely to find Swing in/at/on Porch. 
Cooking is related to Reduce. Reduce is a synonym of Trim. Trim is a type of Decorate. 
Romance <--UsedFor-- Candle --UsedFor--> Light --AtLocation--> Porch <--AtLocation-- Swing 
Cooking <--RelatedTo--> Reduce <--Synonym--> Trim --IsA--> Decorate 