Certain is related to Confident. Person wants (to) Confident. Person is related to Sister. 
Snake is a type of Weave. you are likely to find Snake in/at/on Cage. Cage is related to Feature. Feature is related to Chin. 
Certain <--RelatedTo--> Confident <--Desires-- Person <--RelatedTo--> Sister 
Weave <--IsA-- Snake --AtLocation--> Cage <--RelatedTo--> Feature <--RelatedTo--> Chin 