Christmas is the opposite of Summer. Summer is related to Rain. Rain is related to Product. you are likely to find Product in/at/on Demonstration. 
Expression is a synonym of Face. Face is a type of Appearance. Appearance is a synonym of Aspect. 
Christmas <--Antonym--> Summer <--RelatedTo--> Rain <--RelatedTo--> Product --AtLocation--> Demonstration 
Expression <--Synonym--> Face --IsA--> Appearance <--Synonym--> Aspect 