TASK DEFINITION: In this task, given a sentence in the Chinese language, your task is to convert it into the English language.
PROBLEM: 维基新闻与沙佩尔联系，了解他提出新请求的原因。

SOLUTION: Wikinews contacted Schaper to find out why he made the new requests.

PROBLEM: 苏格兰首席大臣亚历克斯·萨尔蒙德表示，对洛克比空难的调查仍在继续。

SOLUTION: According to Alex Salmond, First Minister of Scotland, the investigation into the Lockerbie bombing is ongoing.

PROBLEM: DCA是已知的相对安全，虽然疼痛、麻木和步态障碍可能发生。

SOLUTION:
DCA is known to be relatively safe, although pain, numbness and gait disturbances may occur.