Does the sentence "The Multidimensional Pain Inventory (MPI) is a questionnaire designed to assess the psychosocial state of a person with chronic pain." provide a valid answer to the question "How many classes of chronic pain patients are there?" OPTIONS:
- yes
- no

A: no

Does the sentence "The RCAF and Joint Task Force (North) (JTFN) also maintain at various points throughout Canada's northern region a chain of forward operating locations, each capable of supporting fighter operations." provide a valid answer to the question "What it located through Canada's Northern Regions?" OPTIONS:
- yes
- no

A: yes

Does the sentence "These are largely managed by the Defence Infrastructure Organisation." provide a valid answer to the question "Who manages the defence estate?" OPTIONS:
- yes
- no

A: yes

Does the sentence "In April 2014, FIFA banned the club from buying players for the next two transfer windows following the violation of the FIFA's rules about the transfer of footballers aged under 18." provide a valid answer to the question "When FIFA ban Barcelona from buying players?" OPTIONS:
- yes
- no

A:
yes