Army can be used for Protection. Protection is related to Shade. you are likely to find Shade in/at/on Park. 
Pass is a synonym of Condition. Exercise can Condition. Exercise requires Move. 
Army --UsedFor--> Protection <--RelatedTo--> Shade --AtLocation--> Park 
Pass <--Synonym--> Condition <--CapableOf-- Exercise --HasPrerequisite--> Move 