QUES: Q: What do airports use to assure smooth traffic flow between departing and arriving aircraft?
A: Many airports have lighting that help guide planes using the runways and taxiways at night or in rain, snow, or fog.
Does the answer answer the question?

ANS: no

QUES: Q: Who was the first president of Palermo?
A: The first president was Ruggero Settimo.
Does the answer answer the question?

ANS: yes

QUES: Q: Was Texas a part of Mexico?
A: In 1836, the now largely "American" Texans, fought a war of independence from the central government of Mexico and established the Republic of Texas.
Does the answer answer the question?

ANS: no

QUES: Q: What percentage of Notre Dame students decide to study abroad?
A: According to payscale.com, undergraduate alumni of University of Notre Dame have a mid-career median salary $110,000, making it the 24th highest among colleges and universities in the United States.
Does the answer answer the question?

ANS:
no