one thing you do when you Forgive is Happiness. you would Forgive because Human. 
Rubber is related to Grip. Grip is a synonym of Grasp. Cling is a type of Grasp. Cling is a synonym of Stick. 
Happiness <--HasSubevent-- Forgive --MotivatedByGoal--> Human 
Rubber <--RelatedTo--> Grip <--Synonym--> Grasp <--IsA-- Cling <--Synonym--> Stick 