Mild is the opposite of Hot. Hot is related to Warmth. Blanket can be used for Warmth. 
Aircraft is related to Pilot. Mark is a type of Pilot. Mark is related to Page. 
Mild <--Antonym--> Hot <--RelatedTo--> Warmth <--UsedFor-- Blanket 
Aircraft <--RelatedTo--> Pilot <--IsA-- Mark <--RelatedTo--> Page 