Context: To encourage further discovery, researchers and policymakers are promoting new economic models of vaccine development, including prizes, tax incentives, and advance market commitments. A number of groups, including the Stop TB Partnership, the South African Tuberculosis Vaccine Initiative, and the Aeras Global TB Vaccine Foundation, are involved with research. Among these, the Aeras Global TB Vaccine Foundation received a gift of more than $280 million (US) from the Bill and Melinda Gates Foundation to develop and license an improved vaccine against tuberculosis for use in high burden countries.

Question: What organization did the Bill and Melinda Gates Foundation donate $280 million to?
Answer: Aeras Global TB Vaccine Foundation

Question: Policymakers believe tax incentives, market commitments, and what third incentive will speed up vaccine development?
Answer: prizes

Question: What group with the initials SATVI is researching TB vaccines?
Answer: South African Tuberculosis Vaccine Initiative

Question: What nonprofit tuberculosis research foundation has a verb in its name?
Answer: Stop TB Partnership

Question: Who gave the Bill and Melinda Gates Foundation $280 mil?
Answer: Unanswerable

Question: What is the prize for vaccine development set at?
Answer: Unanswerable

Question: Who gifted Stop TB Partnership a large amount of money for improving vaccinations?
Answer: Unanswerable

Question: Where is Stop TB Partnership working?
Answer: Unanswerable