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We have conducted a screening for potential new member and we have screened down many to only two now. ( Can I say screen down?).
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We have conducted a screening for potential new members and we have screen out many of then until there are two left.
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We have conducted a screening out for potential candidates and concluded/decided that we will only accept two candidates. ( I say use concluded/decided?)
Can I construct the above sentences in such manner? Please advise.