Trouble is related to Good. Lunch can be Good. 
Characteristic is a synonym of Distinctive. Distinctive is a synonym of Other. Other is related to East. East is a different concept from South. 
Trouble <--RelatedTo--> Good <--HasProperty-- Lunch 
Characteristic <--Synonym--> Distinctive <--Synonym--> Other <--RelatedTo--> East <--DistinctFrom--> South 