Glass is related to See. See is a synonym of Interpret. Interpret is a type of Perform. Appear is a type of Perform. 
Oak is a type of Plant. Plant is related to Being. Being is the opposite of Wash. Wash is related to Cloth. 
Glass <--RelatedTo--> See <--Synonym--> Interpret --IsA--> Perform <--IsA-- Appear 
Oak --IsA--> Plant <--RelatedTo--> Being <--Antonym--> Wash <--RelatedTo--> Cloth 