In 1890 , French Colonel Louis Archinard formally conquered the entire territory of the former Kingdom of Kaarta , which was annexed to the French West Africa in 1904 .
French Colonel Louis Archinard formally conquered the entire territory of the former Kaarta kingdom in 1890 , which was later annexed into French West Africa in 1904 .

Are these two sentences paraphrases of each other?
yes

An AMO warm phase strengthens the summer rain over the Sahel , while a cold phase reduces rainfall .
An AMO warm phase reduces the summer rain over the Sahel , while a cold phase strengthens it .

Are these two sentences paraphrases of each other?
no

On 28 January 2015 , Watson was brought into the backroom team of John Carver at Newcastle United for the remaining 16 games of the 2014-15 season .
On 28 January 2015 , Watson was brought into John Carver 's backroom team at Newcastle United for the remaining 16 games of the 2014/15 season .

Are these two sentences paraphrases of each other?
yes

With the weakening of the Canadian dollar , manufacturing sales and exports and employment increased in November and December 2015 .
In November and December 2015 , with the weakening in the Canadian dollar , manufacturing sales and exports increased and employment rose .

Are these two sentences paraphrases of each other?
yes