Question:
Choose your answer: Is "The PVA had outrun its logistics capability and thus were unable to press on beyond Seoul as food, ammunition, and materiel were carried nightly, on foot and bicycle, from the border at the Yalu River to the three battle lines." a good answer to the question "How was the PVA transporting supplies at one point?"
Answer:
yes

Question:
Choose your answer: Is "The distinctive red double-decker buses are an internationally recognised trademark of London transport along with black cabs and the Tube." a good answer to the question "How many buses does the London public bus network operate?"
Answer:
no

Question:
Choose your answer: Is "The Port of London is the second-largest in the United Kingdom, handling 45 million tonnes of cargo each year." a good answer to the question "What is the second largest port in the UK?"
Answer:
yes