Excessive is related to Crowd. Crowd is related to Rock. Rock is related to Matter. Matter is related to Oil. 
Selection is related to Nice. Nice is related to Kind. Kind is a synonym of Variety. 
Excessive <--RelatedTo--> Crowd <--RelatedTo--> Rock <--RelatedTo--> Matter <--RelatedTo--> Oil 
Selection <--RelatedTo--> Nice <--RelatedTo--> Kind <--Synonym--> Variety 