However , most white horses have pink skin and some have blue eyes .
Most white horses , however , have pink skin and some have blue eyes .

Are these two sentences paraphrases of each other?
yes

Alice Comyn , his niece and heiress , married Henry Beaumont , a French nobleman in the English service .
Alice Comyn , his niece and heir , married Henry Beaumont , a French nobleman in the English service .

Are these two sentences paraphrases of each other?
yes

Kosmos operates blocks offshore - Senegal in Cayar and St. Louis .
Kosmos operates in the Cayar and Senegal blocks offshore St. Louis .

Are these two sentences paraphrases of each other?
no

Despite the general success of the limited attack , the battalion lost nearly half of its strength .
Despite the general success of the limited attack the battalion lost nearly half its strength .

Are these two sentences paraphrases of each other?
yes