People can Baby. People is related to Picture. Picture is related to Square. 
Observe is related to Examine. Scan is a type of Examine. Scan is a type of Examination. 
Baby <--CapableOf-- People <--RelatedTo--> Picture <--RelatedTo--> Square 
Observe <--RelatedTo--> Examine <--IsA-- Scan --IsA--> Examination 