you are likely to find Desk in/at/on Library. Library is related to Rent. Rent is related to Musical. Musical is related to Piano. 
Sentiment is related to Feeling. Feeling is related to Better. People is a type of Better. 
Desk --AtLocation--> Library <--RelatedTo--> Rent <--RelatedTo--> Musical <--RelatedTo--> Piano 
Sentiment <--RelatedTo--> Feeling <--RelatedTo--> Better <--IsA-- People 