Q: Does "The second satellite, BeiDou-1B, was successfully launched on December 21, 2000." provide a valid answer to "When was the last satellite for the BeiDou-1 system launched?"?
A: no

Q: Does "Much of the new development is springing up in formerly vacant lots across the South Bronx." provide a valid answer to "How were window decals used in the Bronx in the 1980s?"?
A: no

Q: Does "His identity was kept a state secret throughout the Cold War, and he was identified publicly only as "the Chief Designer."" provide a valid answer to "What was his "secret" title after World War II?"?
A: yes

Q: Does "In 1610, all but three of the survivors of the Sea Venture sailed on to Jamestown." provide a valid answer to "Who was one of the original survivor's to sail on to Jamestown."?
A:
no