Patch is related to Improvement. Improvement is related to Good. Virtue is a type of Good. Patience is a type of Virtue. 
Mail is related to Box. Box is related to Eye. 
Patch <--RelatedTo--> Improvement <--RelatedTo--> Good <--IsA-- Virtue <--IsA-- Patience 
Mail <--RelatedTo--> Box <--RelatedTo--> Eye 