I think it&#x27;s pretty easy to imagine. &quot;Would you like to see an ad for Viagra? Y&#x2F;N&quot; &quot;I want to tell you about my views on Obama (negative). Y&#x2F;N&quot;. &quot;Would you like to hear my view on Creationism (positive). Y&#x2F;N&quot;<p>The basic protocol requires an accurate summary of the topic and the sentiment from the initiator, and a single bit from the target.<p>BTW this is essentially how Mormon missionaries do it (&quot;Do you want to hear about my views on Jesus (positive)? Y&#x2F;N&quot;, and I think it&#x27;s great.