Input:
Are these paraphrases?
Sales began in North America in the third quarter of 2008 and in Europe in early 2009 as a 2010 model .
Sales started in the third quarter of 2008 in Europe and early 2009 in North America as a model for 2010 .
Output:
[no]

Input:
Are these paraphrases?
This problem is common for optical equipment in special shops and among residents of European origin .
This problem is common for optical equipment in special shops and among the residents of European origin .
Output:
[yes]

Input:
Are these paraphrases?
Humphrey , however , had supported McKeithen at the 1968 Democratic National Convention in Chicago .
However , in 1968 , McKeithen Humphrey had supported the Democratic National Convention in Chicago .
Output:
[no]