Transmission is a type of Gear. Gear is a synonym of Great. 
Achievement is related to Gain. Score is a type of Gain. Score is a type of Achieve. Begin is a type of Achieve. 
Transmission --IsA--> Gear <--Synonym--> Great 
Achievement <--RelatedTo--> Gain <--IsA-- Score --IsA--> Achieve <--IsA-- Begin 