Celebration is related to Surprise. Surprise is related to Fun. Fun is a synonym of Laugh. Person wants (to) Laugh. 
Race is related to Elect. Elect is related to Pick. 
Celebration <--RelatedTo--> Surprise <--RelatedTo--> Fun <--Synonym--> Laugh <--Desires-- Person 
Race <--RelatedTo--> Elect <--RelatedTo--> Pick 