Scent is related to Pine. Pine is a type of Wood. Wood is related to Bat. Bat is related to New. 
Chapter is a type of Phase. Chapter is a type of Episode. Drama is a type of Episode. Drama is related to Tension. 
Scent <--RelatedTo--> Pine --IsA--> Wood <--RelatedTo--> Bat <--RelatedTo--> New 
Phase <--IsA-- Chapter --IsA--> Episode <--IsA-- Drama <--RelatedTo--> Tension 