Addition is related to Cream. Cream can be used for Soften. Soften is a type of Change. Damage is a type of Change. 
Clock is related to Tell. Tell is related to Mention. 
Addition <--RelatedTo--> Cream --UsedFor--> Soften --IsA--> Change <--IsA-- Damage 
Clock <--RelatedTo--> Tell <--RelatedTo--> Mention 