Neutral is a different concept from Drive. Drive is related to Move. Move is related to Start. Start is a type of Advantage. 
May is related to Likely. Likely is related to Expect. 
Neutral <--DistinctFrom--> Drive <--RelatedTo--> Move <--RelatedTo--> Start --IsA--> Advantage 
May <--RelatedTo--> Likely <--RelatedTo--> Expect 