Read a document and answer questions

The document:

https://www.theguardian.com/education/2010/mar/29/jamie-oliver-school-dinners-meals

Questions:

1. Identify the claim of the document
2. Critically comment on the role of the claimant
3. Identify the information backing the claim
4. How would the claim ideally be tested
5. Critically comment on independent verification within the document
6. Critically comment on the causal explanation of the claim