Pen is related to Bullet. Bullet is related to Ball. Ball is a synonym of Chunk. 
Arise is a synonym of Stem. Stem is part of Plant. Plant is related to Green. 
Pen <--RelatedTo--> Bullet <--RelatedTo--> Ball <--Synonym--> Chunk 
Arise <--Synonym--> Stem --PartOf--> Plant <--RelatedTo--> Green 