The critical issue, in Dr Will's opinion, was whether the food products contained brain and spinal cord tissue.
(The critical issue; was; whether the food products contained brain and spinal cord tissue) Context(The critical issue was,List([0, 45))):(the food products; contained; brain and spinal cord tissue)
The critical issue was,List([0, 45))
The critical issue the food products
was contained
whether the food products contained brain and spinal cord tissue
brain and spinal cord tissue