Does "The Roman concrete has remained a riddle, and even after more than 2,000 years some Roman structures still stand magnificently." contain the correct answer to "What Roman construction material has continued to be a mystery to this day?"

A: yes

Does "During the Napoleonic Wars in the late 18th century and early 19th century, Napoleon annexed territory formerly controlled by the Habsburgs and Savoys." contain the correct answer to "When was the Helvetic Republic established?"

A: no

Does "Swiss private-public managed road network is funded by road tolls and vehicle taxes." contain the correct answer to "What is the Swiss private-public managed road network funded by?"

A:
yes