Assistance is related to Assist. Assist is related to Aid. Aid is a synonym of Care. 
Ritual is a type of Habit. Habit is related to Black. Black is related to Writing. Writing is related to Manual. 
Assistance <--RelatedTo--> Assist <--RelatedTo--> Aid <--Synonym--> Care 
Ritual --IsA--> Habit <--RelatedTo--> Black <--RelatedTo--> Writing <--RelatedTo--> Manual 