Does the sentence "This is common for external hard and optical disc drives, and generally for devices with motors or lamps." provide a valid answer to the question "What is another alternative for power for an external hard and optical disk drive?"

A: no

Does the sentence "His eighteen-year-old godfather, for whom he was named, was Fryderyk Skarbek, a pupil of Nicolas Chopin." provide a valid answer to the question "What is Chopin's older sister's name?"

A: no

Does the sentence "Although leased for 99 years, US forces withdrew in 1995, as part of the wave of base closures following the end of the Cold War." provide a valid answer to the question "What happened at the end of the Cold War?"

A: yes

Does the sentence "Together with other young artists, the group wanted to emphasise a research into form, in opposition to the Neo-Impressionist emphasis on color." provide a valid answer to the question "Which four people usually met at Fauconnier's studio in 1910?"

A:
no