Problem: It was opened on April 8 , 1994 and was the second bridge over the lower Mekong , and the first on the full course of the Mekong .
Opened on April 8 , 1994 , it was the first bridge across the lower Mekong , and the second on the full course of the Mekong .
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A: no

Problem: In 1236 , Haakon Haakonsson , son of Gille Brigte , Mormaer of Angus , was awarded the Jarldom of Orkney by King Magnus .
In 1236 , Haakon Haakonsson , son of Gille Brigte , Mormaer of Angus , was granted the Jarldom of Orkney by King Magnus .
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A: yes

Problem: Silver became the motor of the Spanish colonial economy both in Peru and in New Spain .
In both New Spain and Peru , silver became the engine of the Spanish colonial economy .
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A:
yes