Pitch is related to Field. Field is related to Crop. Crop is related to Item. 
Employment is a type of State. State is related to King. King is related to Piece. Piece is related to Chunk. 
Pitch <--RelatedTo--> Field <--RelatedTo--> Crop <--RelatedTo--> Item 
Employment --IsA--> State <--RelatedTo--> King <--RelatedTo--> Piece <--RelatedTo--> Chunk 