QUES: Q: Who did Vieira beat in a runoff election?
A: Vieira beat Malam Bacai Sanha in a runoff election.
Does the answer answer the question?

ANS: yes

QUES: Q: Can these plants cross breed with the parent population of plants?
A: These plants that are reproductively isolated from the parent species but live within the same geographical area, may be sufficiently successful to form a new species.
Does the answer answer the question?

ANS: no

QUES: Q: When was the Canadian Joint Operations Command established?
A: The Canadian Joint Operations Command is an operational element established in October 2012 with the merger of Canada Command, the Canadian Expeditionary Force Command and the Canadian Operational Support Command.
Does the answer answer the question?

ANS: yes

QUES: Q: What is the study of ancient, fossilized plants?
A: Paleobotanists study ancient plants in the fossil record to provide information about the evolutionary history of plants.
Does the answer answer the question?

ANS:
yes