Observe is a synonym of Consider. Abstract is a type of Consider. Abstract is related to Integrity. 
Rat is related to Art. Art is related to Craft. Craft is a type of Skill. 
Observe <--Synonym--> Consider <--IsA-- Abstract <--RelatedTo--> Integrity 
Rat <--RelatedTo--> Art <--RelatedTo--> Craft --IsA--> Skill 