Brown is related to Nest. Nest is related to Pine. Pine is related to Tree. Tree is the opposite of Bush. 
Half is related to Measure. Measure is related to Calculation. 
Brown <--RelatedTo--> Nest <--RelatedTo--> Pine <--RelatedTo--> Tree <--Antonym--> Bush 
Half <--RelatedTo--> Measure <--RelatedTo--> Calculation 