Overwhelming is similar to Intense. Intense is similar to Terrible. Terrible is a synonym of Tremendous. Tremendous is a synonym of Awful. 
People can be Crazy. you are likely to find People in/at/on Confession. 
Overwhelming <--SimilarTo--> Intense <--SimilarTo--> Terrible <--Synonym--> Tremendous <--Synonym--> Awful 
Crazy <--HasProperty-- People --AtLocation--> Confession 