Surrounding is related to Wall. Wall is related to Art. Flat can be used for Art. you are likely to find Flat in/at/on Car. 
Cloud is related to High. High is related to Level. Level is related to Measure. Measure is related to Double. 
Surrounding <--RelatedTo--> Wall <--RelatedTo--> Art <--UsedFor-- Flat --AtLocation--> Car 
Cloud <--RelatedTo--> High <--RelatedTo--> Level <--RelatedTo--> Measure <--RelatedTo--> Double 