Problem: In 1923 at Tungsram Ltd , a research laboratory was established for improving electric sources , mainly light bulbs .
In 1923 , a research laboratory for improving light sources , mainly light bulbs , was established at Tungsram Ltd..
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A: no

Problem: He also served as North Cornwall District Councillor , a Bude - Stratton Councillor , and was a Mebyon Kernow parliamentary candidate for North Cornwall .
He also served as a North Cornwall councillor , a Bude-Stratton town councillor , and was Mebyon Kernow parliamentary candidate for North Cornwall District .
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A: no

Problem: He finished his career playing for European teams in various leagues .
He finished his career by playing for European teams in various leagues .
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A:
yes