Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Ministers were accused last night of spouting ‘hot air’ over a crackdown on illegal foreign workers as it emerged the number of arrests has plummeted. Immigration Minister James Brokenshire announced a wave of raids this autumn targeting building sites, care homes and cleaning contractors that employ non-EU citizens who do not have permission to be in Britain. He pledged action as the Government desperately battled to get a grip of the immigration crisis by sending a message to asylum seekers flooding into Calais that the UK’s streets were not paved with gold. But figures revealed the number of people actually arrested in swoops has halved in just a year – undermining his tough rhetoric.Government announced wave of raids on illegal immigrants working in UKBut the number of people actually arrested in swoops has halved in a yearJust one in five migrants caught working illegally in Britain were kicked outMinisters battling to get a grip of crisis as asylum seekers flood into Calais 
 Question:They are determined to reach the _, attracted by work, free health care and generous benefits.

UK