Does "Present-day Slavic people are classified into West Slavic (chiefly Poles, Czechs and Slovaks), East Slavic (chiefly Russians, Belarusians, and Ukrainians), and South Slavic (chiefly Serbs, Bulgarians, Croats, Bosniaks, Macedonians, Slovenes, and Montenegrins), though sometimes the West Slavs and East Slavs are combined into a single group known as North Slavs." contain the correct answer to "East Slavic people consist of which nationalities?"
OPTIONS:
- yes
- no

A: yes

Does "Following the disbandment of Destiny's Child in June 2005, she released her second solo album, B'Day (2006), which contained hits "Deja Vu", "Irreplaceable", and "Beautiful Liar"." contain the correct answer to "What was the name of Beyonce's second solo album?"
OPTIONS:
- yes
- no

A: yes

Does "Light-emitting diodes are now used in applications as diverse as aviation lighting, automotive headlamps, advertising, general lighting, traffic signals, camera flashes and lighted wallpaper." contain the correct answer to "What does LED stand for?"
OPTIONS:
- yes
- no

A:
yes