<prompt> Assertion: Spermicides containing non-oxynol-9 provide effective protection against STDs.Reason: Non-oxynol 9 has apoptotic effects on HIV, gonococci and chlamydia.Both assertion and reason are true independentlyAssertion is true, reason is falseAssertion is false, reason is trueBoth assertion and reason are false  <response>: Spermicides do not provide protection against STDs. 