Surprise is related to Scared. Scared is a form of Scare. 
Strengthen is a synonym of Comfort. one thing you do when you Comfort is Hug. one thing you do when you Forgive is Hug. 
Surprise <--RelatedTo--> Scared --FormOf--> Scare 
Strengthen <--Synonym--> Comfort --HasSubevent--> Hug <--HasSubevent-- Forgive 