Rafael Benitez believes Chelsea will learn from past mistakes as they bid to book their FA Cup final place.
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The Blues face Manchester City in Sunday's FA Cup semi-final at Wembley, with the interim manager adamant he is pleased with the season so far.
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City beat Chelsea 2-0 in February at the Etihad Stadium, but Benitez says his team learned from the experience.
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"We know what we did wrong against them in the league and we'll make sure we don't make the same mistakes," he said.
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"They're a good team in a good position in the table, and did well against Manchester United the other day. We know it will be difficult but it's a semi-final in a massive competition.