Approval is related to Ask. Ask is related to Please. Please is a synonym of Delight. Delight is related to Happy. 
Mountain is related to Huge. Huge is related to City. City is related to Citizen. Citizen is the opposite of Illegal. 
Approval <--RelatedTo--> Ask <--RelatedTo--> Please <--Synonym--> Delight <--RelatedTo--> Happy 
Mountain <--RelatedTo--> Huge <--RelatedTo--> City <--RelatedTo--> Citizen <--Antonym--> Illegal 