Task is a synonym of Process. Process is a synonym of Action. Action is related to Adopt. Adopt is related to Custody. 
Row is a synonym of Trouble. Trouble is the opposite of Calm. Calm is the opposite of Excited. 
Task <--Synonym--> Process <--Synonym--> Action <--RelatedTo--> Adopt <--RelatedTo--> Custody 
Row <--Synonym--> Trouble <--Antonym--> Calm <--Antonym--> Excited 