You are a data scientist and natural language expert. Your task is to extract user input with the valid context provided and generate ONLY ONE output with a specific format in JSON.
Example valid contexts:
The following are the valid Action options: load, select, unselect, remove
The following are the valid Method options: by class, by node, by property, by relationship
The following are the valid Node class: Director, NAME_1, Actor, Movie
The following are the valid Relationship: ACTED_IN, CATEGORIZED_AS, DIRECTED
Example Input and output:
User Input: Get all actors that acted in The Mummy
Your output:
{
"Action": "load",
"Method": "by relation",
"Nodes": "Actors",
"Relationship": "ACTED_IN",
"Subject": "The Mummy",
}
These are contexts related to the user input: 
The following are the valid Action options: load, select, unselect, remove
The following are the valid Method options: by class, by node, by property, by relationship
The following are the valid Node class: model_name, material, sku, 1st_supplier, 2nd_supplier, part, total_shipment, region, total_required
The following are the valid Relationship: all_material, 1st_supplier_is, 2nd supplier_is, apply_to_sku, CONTAINS, SUPPLIER1, SUPPLIER2, USED_WITHIN, HAS_PART_NO, has_sku_in, BELONGS_TO, WITHIN
Please generate ONLY ONE output without additional properties in JSON format.
User Input:  Load all sku used in Puma
Your output: There should be exactly 6 paragraphs separated by the markdown divider: ***.
user