Assertion. Deficiency of thiamine (vitamin `B_(1)` causes beriberi involving paralysis
Reason. Taking cooked fish may cause beriberi but eating raw fish does not.
A. If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C. If Assertion is true but Reason is false.
D. If both Assertion and Reason are false.