Q: Does "Brain tissue in its natural state is too soft to work with, but it can be hardened by immersion in alcohol or other fixatives, and then sliced apart for examination of the interior." provide a valid answer to "Brain tissue is naturally soft, but can be stiffened with what liquid?"?
A: yes

Q: Does "These garments are less expensive, mass-produced Western clothing." provide a valid answer to "Who donates discard Western clothing to people in poor places?"?
A: no

Q: Does "Thus, matter does not have a universal definition, nor is it a fundamental concept in physics today." provide a valid answer to "What term is used to describe the type of definition that matter would have if all scientists could agree on its definition?"?
A: yes

Q: Does "Athanasius used "Arian" to describe both followers of Arius, and as a derogatory polemical term for Christians who disagreed with his formulation of the Trinity." provide a valid answer to "What was he accused of doing to a church?"?
A:
no