QUES: Q: How was the PVA transporting supplies at one point?
A: 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.
Does the answer answer the question?

ANS: yes

QUES: Q: What is the longest river in Ireland?
A: The river Severn at 220 mi (354 km)[citation needed] is the longest in Great Britain.
Does the answer answer the question?

ANS: no

QUES: Q: What Guptas brought much of India under Gupta rule?
A: The military exploits of the first three rulers
Does the answer answer the question?

ANS: yes

QUES: Q: Who was Robert Somers Brookings?
A: During the 1890s, Robert Sommers Brookings, the president of the Board of Trustees, undertook the tasks of reorganizing the university's finances, putting them onto a sound foundation, and buying land for a new campus.
Does the answer answer the question?

ANS:
yes