On 24 July the NH - electrification to New Rochelle began , on 5 August to Stamford and on 6 October 1907 the rest of the route to Port Chester .
NH electrification began on July 24 to New Rochelle , August 5 to Port Chester and October 6 , 1907 the rest of the way to Stamford .

Are these two sentences paraphrases of each other?
no

Alberto Cortina has three sons with Alicia .
Together with Alicia Alberto Cortina has three sons .

Are these two sentences paraphrases of each other?
yes

Samata Express is a super fast express train between Visakhapatnam and Hazrat Nizamuddin in New Delhi and is operated from the East Coast railway .
Samata Express is a super fast express train between New Delhi and Hazrat Nizamuddin in Visakhapatnam and is operated from the East Coast railway .

Are these two sentences paraphrases of each other?
no

The name '' rigid cohomology '' comes from its relation to rigid analytic spaces .
The name '' rigid cohomology '' comes from its relation to rigid analytical spaces .

Are these two sentences paraphrases of each other?
yes