question:
Birds live worldwide and range in size from the 5 cm (2 in) bee hummingbird to the 2.75 m (9 ft) ostrich.
What is the size of the largest bird?

answer: yes

question:
Communism remained an important focus especially during the 1950s and 1960s.
What remained an important focus during the 1950s and 1960s?

answer: yes

question:
This immutability has been guaranteed since Unicode version 2.0 by the Name Stability policy.
What policy guaranteed that characters have a unique and immutable name?

answer: yes

question:
Adult contemporary R&B may be played on both soft AC stations and urban AC.
Along with soft AC, on what station format might adult contemporary R&B be featured?

answer:
yes