Attend is a type of Care. Care is related to Tend. Tend is a synonym of Lean. 
Coalition is a synonym of Union. Union is related to Unite. Unite is a synonym of Joint. Joint is related to Cell. 
Attend --IsA--> Care <--RelatedTo--> Tend <--Synonym--> Lean 
Coalition <--Synonym--> Union <--RelatedTo--> Unite <--Synonym--> Joint <--RelatedTo--> Cell 