During the Nagorno-Karabakh War he participated in military operations in Martuni , Askeran , Martakert , Aghdam and was wounded at least three times .
During the mountain - Karabakh - war , he participated in military operations in Martuni , Askeran , Martakert , Aghdam and was wounded at least three times .

Are these two sentences paraphrases of each other?
yes

The term Siyin is official , however , and Sizang is local terminology
However the term Siyin is official and Sizang is local terminology

Are these two sentences paraphrases of each other?
yes

He bought homes in Mar del Plata , a castle in Cordoba and a small hotel in Buenos Aires .
He acquired homes in Mar del Plata , a castle in Buenos Aires and a small hotel in Cordoba .

Are these two sentences paraphrases of each other?
no

Perth also has a small street art scene . Sydney 's street art scene includes Newtown area graffiti and street art .
Sydney has also a small street art scene Perth 's street art scene includes newtown area graffiti and street art .

Are these two sentences paraphrases of each other?
no