In 2014 , Sarah Potts will join the World Curling Tour for her first season with new teammates Lilly , Oye-Sem Won Briand and Tirzah Keffer .
In 2014 , Sarah Potts will attend the World Curling Tour for her first season with the new teammates Lilly , Oye-Sem Won Briand and Tirzah Keffer .

Are these two sentences paraphrases of each other?
yes

The Timis River is a tributary of the Calova River in Romania .
The river Calova is a tributary of the River Timis in Romania .

Are these two sentences paraphrases of each other?
no

Air New Zealand then certified the General Electric FANS-1 package and certified the Pratt & amp ; Whitney FANS-1 package to United Airlines .
Subsequently , United Airlines certified the General Electric FANS-1 package , and Air New Zealand certified the Pratt & Whitney FANS-1 package .

Are these two sentences paraphrases of each other?
no

However , Szabo 's method of Sybil-spending protection was vulnerable to double attacks .
Szabo 's method of sybilizing protection , however , was vulnerable to double attacks .

Are these two sentences paraphrases of each other?
yes