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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].
question:
(CNN) Your "BPA-free" plastic product may be no safer than the product it replaced, says a new UCLA study that analyzed the impact of a common BPA alternative on zebra fish embryos. The study joins a small but growing group of similar research sounding the alarm about so called "BPA-free" alternatives. "Our findings are frightening and important," said senior author and reproductive endocrinologist Nancy Wayne. "Consider it the aquatic version of the canary in the coal mine." After decades of animal research linked BPA (Bisphenol A), a known endocrine disruptor, to problems with brain and reproductive development, early puberty and a rise in breast and prostate cancer, many manufacturers stopped using the chemical to harden plastics, replacing it with "BPA-free" alternatives. The most common replacement is BPS (Bisphenol S), said Wayne.BPA-free alternatives may be no safer than BPA, say researchersMost common alternative, BPS, linked in study to disruptions of estrogen and thyroid hormones 
 Question:In addition to the effect on estrogen, the study also found both _ and BPS affected the thyroid hormone system.
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BPA


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Washington (CNN) President-elect Donald Trump's transition team has signaled to congressional Republican leaders that his preference is to fund the border wall through the appropriations process as soon as April, according to House Republican officials. The move would break a key campaign promise when Trump repeatedly said he would force Mexico to pay for the construction of the wall along the border, though in October, Trump suggested for the first time that Mexico would reimburse the US for the cost of the wall. Trump defended that proposal Friday morning in a tweet, saying the move to use congressional appropriations was because of speed.The Trump transition team says his preference is to fund the border wall through the appropriations processThe move would break a key campaign promise when Trump promised to force Mexico to pay for the wall 
 Question:According to the bank of _, Mexico received $24.8 billion in remittance payments in 2015.
answer:
Mexico


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The Football Association will wait on referee Mike Dean's report before deciding whether to take action against Steve Bruce or Gus Poyet for their touchline spat on Tuesday night. Dean's report is due in to the FA on Wednesday, meaning if action is taken against the Hull and Sunderland managers it will be announced on Thursday at the earliest. Sunderland boss Poyet has refused to apologise for the behaviour which saw him sent off during the 1-1 draw at the KC Stadium. Hull boss Steve Bruce (left) and Sunderland's Gus Poyet (right) will find out if they will be charged this weekSunderland and Hull City drew 1-1 at the KC StadiumBut managers Gus Poyet and Steve Bruce were involved in touchline rowPoyet refused to apologise for the spat with BruceReferee Mike Dean due to file his report on WednesdayFA will decide whether to take action once that report is in 
 Question:_, meanwhile, did not reveal what Poyet had said to provoke his furious reaction.
answer:

Steve Bruce