Gap is a synonym of Crack. Crack is a synonym of Shot. one thing you do when you Shot is Scream. 
Wash is related to Hand. Person can Hand. Person wants (to) Land. 
Gap <--Synonym--> Crack <--Synonym--> Shot --HasSubevent--> Scream 
Wash <--RelatedTo--> Hand <--CapableOf-- Person --Desires--> Land 