Single is similar to Uniform. Uniform is related to Captain. Captain is related to Staff. 
Bullet is the opposite of Gun. Gun is related to Hunter. Hunter is related to Green. Green is related to Conservation. 
Single <--SimilarTo--> Uniform <--RelatedTo--> Captain <--RelatedTo--> Staff 
Bullet <--Antonym--> Gun <--RelatedTo--> Hunter <--RelatedTo--> Green <--RelatedTo--> Conservation 