Silk is related to Clothes. Clothes is related to Spot. Spot is related to Commercial. Commercial is related to Media. 
Bottle is related to Cap. Chief is etymologically related to Cap. Chief is etymologically related to Captain. Captain is related to Sir. 
Silk <--RelatedTo--> Clothes <--RelatedTo--> Spot <--RelatedTo--> Commercial <--RelatedTo--> Media 
Bottle <--RelatedTo--> Cap <--EtymologicallyRelatedTo-- Chief --EtymologicallyRelatedTo--> Captain <--RelatedTo--> Sir 