Q: Does "The United States incidences of rubella, congenital rubella syndrome, measles, and mumps all fell by >95% in the immediate aftermath of widespread vaccination." provide a valid answer to "When did the Rubella vaccine come out?"?
OPTIONS:
- yes
- no
A: no

Q: Does "The public sector dominates the economy, accounting for about 50% of gross domestic product." provide a valid answer to "How much % of production does the public sector cover?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Audio CDs and audio CD players have been commercially available since October 1982." provide a valid answer to "What were CD's originally created to store?"?
OPTIONS:
- yes
- no
A: no

Q: Does "The basic learning of the letters and numbers remained the province of the family or a village priest, but the secondary subjects of the triviumgrammar, rhetoric, logicwere studied in cathedral schools or in schools provided by cities." provide a valid answer to "Along with their family, who typically taught a child letters and numbers?"?
OPTIONS:
- yes
- no
A:
yes