sentences:  Half of Bianchi's corps marched on the town of Carpi, whilst the other half were sent to cut off the Neaplotian line of retreat.The Austrians reached Carpi on 10 April, opening with an artillery barrage on the town's north gate.However, the Austrian column came through the south gate, 
  surprising the Neapolitan garrison of 5,000 men commanded by Guglielmo Pepe and crushing any Neapolitan opposition.