Minute is related to Measure. Measure is related to Rank. Rank is related to Undergraduate. Undergraduate is a different concept from Professor. 
Row is a type of Strip. Strip is a type of Milk. 
Minute <--RelatedTo--> Measure <--RelatedTo--> Rank <--RelatedTo--> Undergraduate <--DistinctFrom--> Professor 
Row --IsA--> Strip --IsA--> Milk 