Speech is related to Big. Big is related to Mouth. Mouth is the opposite of Eye. 
Air is related to Resistance. Protest is a type of Resistance. Protest is related to Street. Street is related to Nightmare. 
Speech <--RelatedTo--> Big <--RelatedTo--> Mouth <--Antonym--> Eye 
Air <--RelatedTo--> Resistance <--IsA-- Protest <--RelatedTo--> Street <--RelatedTo--> Nightmare 