Large is related to Noise. Pant is a type of Noise. Pant is a type of Blow. Blow is the opposite of Breathe. 
Absence is related to Black. Black is related to Brown. 
Large <--RelatedTo--> Noise <--IsA-- Pant --IsA--> Blow <--Antonym--> Breathe 
Absence <--RelatedTo--> Black <--RelatedTo--> Brown 