Does the sentence "Because of these changes, the Census 2000 data on race are not directly comparable with data from the 1990 census or earlier censuses." provide a valid answer to the question "What year was the last census before the Census 2000?"

A: yes

Does the sentence "In that context, "dollars" is a reference to the Spanish milled dollar, a coin that had a monetary value of 8 Spanish units of currency, or reales." provide a valid answer to the question "How much value was one dollar meant to be equivalent to?"

A: no

Does the sentence "Some organisms are best identified by stains other than the Gram stain, particularly mycobacteria or Nocardia, which show acid-fastness on ZiehlNeelsen or similar stains." provide a valid answer to the question "What stain shows better test results on Norcadia bacteria?"

A: yes

Does the sentence "The role of Compass-M1 for Compass is similar to the role of the GIOVE satellites for the Galileo system." provide a valid answer to the question "When was the Compass-M1 satellite launched?"

A:
no