PTAs were abolished by the 1985 Local Government Act when the Metropolitan County Councils were restored .
PTAs were recreated by the Local Government Act 1985 when the metropolitan county councils were abolished .

Are these two sentences paraphrases of each other?
no

In the 2011 election , Subinay Ghosh of the Trinamool Congress defeated his nearest rival Abani Mohan Joardar of CPI ( M ) .
In the 2011 election , Abani Mohan Joardar of Trinamool Congress defeated his nearest rival Subinay Ghosh of CPI ( M ) .

Are these two sentences paraphrases of each other?
no

The Olt River is a tributary of the Stini River in Romania .
The Olt River is a tributary of the Stinis River in Romania .

Are these two sentences paraphrases of each other?
yes

The album was announced on April 30 as a limited edition , untitled album with hand drawn covers and signed by Buckethead himself to be released on May 31 .
The album was announced on April 30th as a limited edition , untitled album with hand drawn covers and signed by Buckethead himself to be released on May 31 .

Are these two sentences paraphrases of each other?
yes