you are likely to find Air in/at/on Airport. Air is related to Army. you are likely to find Rifle in/at/on Army. Rifle is related to Western. 
Positive is related to Progress. Progress is related to Growth. Growth is etymologically related to Grow. Grow is the opposite of Shrink. 
Airport <--AtLocation-- Air <--RelatedTo--> Army <--AtLocation-- Rifle <--RelatedTo--> Western 
Positive <--RelatedTo--> Progress <--RelatedTo--> Growth --EtymologicallyRelatedTo--> Grow <--Antonym--> Shrink 