The Russian villain , however , is an original and sometimes interesting menace. ''
However , the Russian villain is an interesting and sometimes original threat .

Are these two sentences paraphrases of each other?
no

Lottia emydia is a species of sea snail , a true limpet , a true gastropod mollusk in the family Lottiidae , one of the families of marine limpets .
Lottia emydia is a species of the sea snail , a true limpet , a marine gastropod mollusk in the Lottiidae family , one of the families of the true limpets .

Are these two sentences paraphrases of each other?
no

In April 2013 , when the merger of Air Italy was completed , Meridiana Fly returned to its former , shorter name '' Meridiana '' .
In April 2013 , when the Air Italy merger was completed , Meridiana returned to its former , shorter name , '' Meridiana Fly '' .

Are these two sentences paraphrases of each other?
no

This was solved with the Ostrow agreement -- Vytautas became Grand Duke of Lithuania , while Jogaila retained the rights of an overlord .
This was resolved with the Ostrow Agreement -- Jogaila became the Grand Duke of Lithuania while Vytautas retained rights of an overlord .

Are these two sentences paraphrases of each other?
no