Smile is related to Sign. Sign is related to Metal. Metal is related to Level. Level is related to Orientation. 
Test is related to Measure. Measure is a synonym of Evaluate. 
Smile <--RelatedTo--> Sign <--RelatedTo--> Metal <--RelatedTo--> Level <--RelatedTo--> Orientation 
Test <--RelatedTo--> Measure <--Synonym--> Evaluate 