you are likely to find Heart in/at/on Chest. Chest is a synonym of Trunk. 
Sufficient is similar to Comfortable. Comfortable is similar to Easy. Easy is etymologically related to Ease. 
Heart --AtLocation--> Chest <--Synonym--> Trunk 
Sufficient <--SimilarTo--> Comfortable <--SimilarTo--> Easy --EtymologicallyRelatedTo--> Ease 