Troop is related to Army. Army is related to Duty. Duty is related to Mission. Mission is a type of Assignment. 
Minimal is a synonym of Bare. Bare is the opposite of Paint. Paint is related to Decorate. 
Troop <--RelatedTo--> Army <--RelatedTo--> Duty <--RelatedTo--> Mission --IsA--> Assignment 
Minimal <--Synonym--> Bare <--Antonym--> Paint <--RelatedTo--> Decorate 