Ignore is the opposite of Recognize. Recognize entails/necessarily involves Perceive. Hurt is a type of Perceive. Hurt is related to Sad. 
Start is a type of Advantage. Advantage is related to Gain. Gain is related to Benefit. Benefit is a synonym of Assistance. 
Ignore <--Antonym--> Recognize --Entails--> Perceive <--IsA-- Hurt <--RelatedTo--> Sad 
Start --IsA--> Advantage <--RelatedTo--> Gain <--RelatedTo--> Benefit <--Synonym--> Assistance 