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

Positive Example 1 -
Input: 2004年4月，那里的士兵逮捕了一名16岁的巴勒斯坦人，他身上绑着一枚自杀式炸弹。
Output: In April 2004, soldiers there arrested a 16-year-old, also Palestinian, with a suicide bomb strapped to his body.

Positive Example 2 -
Input: “我们收到了38具尸体，”该镇主要医院负责人瓦克尔·艾哈迈德告诉法新社记者。
Output: "We have received 38 dead bodies," Doctor Wakeel Ahmed, head of the principal hospital in the town told AFP (Agence France-Presse) news agency.

Negative Example 1 -
Input: “第二次手术总是需要更长的时间，而且很难到达心脏。”
Output: Relegation bound Watford will meet Blackburn in the Premiership next, while United have a league game of their own at Old Trafford against Sheffield United.

Negative Example 2 -
Input: 论坛18已经记录了一段时间以来有关哈里克里希纳村庄的所谓人权虐待事件，但截至11月21日，事件发生了转变。
Output: She said the combined charges carried a maximum penalty of seven years jail.

Now complete the following example -
Input: 当星系Mkn421在X射线发射中变亮时，使用钱德拉观测检测到这些云。
Output: 


Output: The clouds were detected using Chandra observations when the galaxy Mkn 421 brightened in X-ray emissions.