In this task, given a sentence in the Chinese language, your task is to convert it into the English language.

[EX Q]: 美国公民自由联盟和电子隐私信息中心，都卷入了针对美国政府的禁飞令诉讼。
[EX A]: Both the ACLU and the Electronic Privacy Information Center are involved in lawsuits against the U.S. government relating to no-fly lists.

[EX Q]: 到目前为止，戈登·布朗一直拒绝为撤军制定时间计划。
[EX A]: Until now, Gordon Brown has consistently refused to set a time table for a pull-back.

[EX Q]: 在全国范围内，820名14到17岁青少年在父母允许的情况下参与了这项调查。
[EX A]:
A representative nationwide sample of 820 teens 14–17 years old participated in the study with parental permission.