In this task, given a sentence in the Chinese language, your task is to convert it into the English language.
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Question: 加拿大驻华盛顿使馆一直在进行广告宣传，在华盛顿的地铁站张贴海报描述加拿大在阿富汗的军队。

Answer: The Canadian Embassy in Washington has been on an advertising campaign, plastering subway stations in Washington with posters depicting Canadian troops in Afghanistan.


Question: 代尔本赛季初从纽卡斯尔联队转会而来，在比赛的前几分钟被担架抬下场。

Answer: Dyer, who joined from Newcastle United at the start of this season, was carried off on a stretcher in the first few minutes of the game.


Question: 警方曾一度将袭击描述为进入“挑战阶段”。

Answer:
Police at one point described the raid as entering a "challenging phase".