Description is related to Corner. Corner is related to Edge. Edge is related to Upper. Upper is related to Arm. 
Intelligent is the opposite of Thick. Thick is related to Paint. 
Description <--RelatedTo--> Corner <--RelatedTo--> Edge <--RelatedTo--> Upper <--RelatedTo--> Arm 
Intelligent <--Antonym--> Thick <--RelatedTo--> Paint 