Problem: Does "The number of Welsh clubs in the Premier League increased to two for the first time in 201314, as Cardiff City gained promotion, but Cardiff City was relegated after its maiden season." answer the question "In 2013-14, how much did the Premier League's Welsh clubs increase by?"

A: yes

Problem: Does "The Pikers, an all-male group, is the oldest such group on campus." answer the question "How many a cappella groups does Washington University have?"

A: no

Problem: Does "On September 30, 1989, thousands of Belorussians, denouncing local leaders, marched through Minsk to demand additional cleanup of the 1986 Chernobyl disaster site in Ukraine." answer the question "What did the Belorussians wish to be cleaned up?"

A:
yes