Slip is related to Smooth. Smooth is related to Simple. Simple is a synonym of Bare. Bare is a synonym of Mere. 
Diversity is a type of Condition. Motivation is a type of Condition. Person wants (to) Motivation. 
Slip <--RelatedTo--> Smooth <--RelatedTo--> Simple <--Synonym--> Bare <--Synonym--> Mere 
Diversity --IsA--> Condition <--IsA-- Motivation <--Desires-- Person 