Dog is related to Stupid. Stupid is a synonym of Dense. Dense is related to Fog. Fog is related to Sight. 
Electronics is related to Speaker. Speaker is related to Type. 
Dog <--RelatedTo--> Stupid <--Synonym--> Dense <--RelatedTo--> Fog <--RelatedTo--> Sight 
Electronics <--RelatedTo--> Speaker <--RelatedTo--> Type 