Rally is a type of Recover. Recover is a synonym of Regain. Regain is a synonym of Find. Find is related to Discover. 
Send is a synonym of Throw. Pepper entails/necessarily involves Throw. Pepper is the opposite of Sugar. 
Rally --IsA--> Recover <--Synonym--> Regain <--Synonym--> Find <--RelatedTo--> Discover 
Send <--Synonym--> Throw <--Entails-- Pepper <--Antonym--> Sugar 