TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: It is surrounded by the towns of Angat and Pandi in the north ; by San Jose del Monte City in the south ; by Norzagaray in the east ; and by Marilao and Bocaue in the west .

SOLUTION: The town is bounded on the north by the municipalities of Angat and Pandi ; portion of San Jose del Monte City on the south ; Norzagaray and other portions of San Jose del Monte on the east ; and the municipalities of Marilao and Bocaue on the western side .

PROBLEM: A Virtual Private Network , or VPN is a set of technologies which are used to link computers to create a private network .

SOLUTION: A virtual private network ( VPN ) extends a private network across a public network , and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network .

PROBLEM: A slow shutter speed will need a smaller aperture to stop the picture coming out too bright .

SOLUTION:
Typically , a fast shutter will require a larger aperture to ensure sufficient light exposure , and a slow shutter will require a smaller aperture to avoid excessive exposure .