This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.
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Question: he had saved mrs. lestrange from having to give evidence at the inquest .

Answer: he saved mrs. lestrange saying she did n't have to give evidence in a court investigation .

Question: [ 3 ] ro and bg had to transpose the directive as from their accession to the eu .

Answer: [ 3 ] romania and bulgaria should have implemented the directive to date of its accession to the eu .

Question: subsequent amendments to the convention were approved by the european union by council decision 2009/550/ec of 5 march 2009 .

Answer:
the european union approved the subsequent amendments to council decision 2009 / 550 / ec of 5 march 2009 .