Q: Does "After the Napoleonic Wars of 1815, however, its popularity began to fall." provide a valid answer to "When did the mandolin's popularity begin to fall?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "PC World says that iPod line has "altered the landscape for portable audio players"." provide a valid answer to "What file format is not supported by Sony Ericsson and Nokia?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Physicist Julius Edgar Lilienfeld filed a patent for a field-effect transistor (FET) in Canada in 1925, which was intended to be a solid-state replacement for the triode." provide a valid answer to "Who filed a patent for the field-effect transistor?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "It provides local hospital services to 500,000 people in the Southampton area and specialist regional services to more than 3 million people across the South of England." provide a valid answer to "In what village is Moorgreen Hospital located?"?
OPTIONS:
- yes
- no
A:
no