Captcha identify

[Eric S. Johansson]

On 8/14/2014 2:37 PM, Peter Pearson wrote:
> On Wed, 13 Aug 2014 14:16:02 -0600, Ian Kelly <ian.g.kelly at gmail.com> wrote:
>> . . . and as computers get more powerful the intersection
>> of {problems machines can't solve} and {problems humans can reliably
>> solve} grows ever smaller.
> "Which of the following eight sentences are sarcastic in tone?"

and responses on this list alone show problems with detecting sarcasm 
(or snark).