Does the sentence "Some regions (Uri, Schwyz, Unterwalden, later known as Waldstatten) were accorded the Imperial immediacy to grant the empire direct control over the mountain passes." provide a valid answer to the question "In 1264 AD, what caused the Kyburg dynasty to fall?" OPTIONS:
- yes
- no

A: no

Does the sentence "Two distinctive tracks from this era were the Orb's "Little Fluffy Clouds" (with a distinctive vocal sample from Rickie Lee Jones) and the Happy Mondays' "Wrote for Luck" ("WFL") which was transformed into a dance hit by Vince Clarke." provide a valid answer to the question "who released the track "little fluffy clouds"?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Surrounded by the Yangtze River and mountains, Nanjing also enjoys beautiful natural scenery." provide a valid answer to the question "What is Nanjing surrounded by?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Free and fair elections were finally held on 12 June 1993, with a presidential victory for Moshood Kashimawo Olawale Abiola." provide a valid answer to the question "Who won the 1993 Nigerian election?" OPTIONS:
- yes
- no

A:
yes