Maker is related to Instrument. Instrument is related to Pen. Pen is related to Independence. 
Toilet is a synonym of Pot. you are likely to find Pot in/at/on Restaurant. you are likely to find Restaurant in/at/on City. City is the opposite of Farmer. 
Maker <--RelatedTo--> Instrument <--RelatedTo--> Pen <--RelatedTo--> Independence 
Toilet <--Synonym--> Pot --AtLocation--> Restaurant --AtLocation--> City <--Antonym--> Farmer 