Auto is the opposite of Manual. Manual is similar to Foot. Foot is a type of Add. Add is related to Function. 
Calm is the opposite of Shock. Shock is related to Alarm. Alarm can be used for Warn. 
Auto <--Antonym--> Manual <--SimilarTo--> Foot --IsA--> Add <--RelatedTo--> Function 
Calm <--Antonym--> Shock <--RelatedTo--> Alarm --UsedFor--> Warn 