QUES: Q: What virulence factors do some bacterial species have?
A: Vesicles from a number of bacterial species have been found to contain virulence factors, some have immunomodulatory effects, and some can directly adhere to and intoxicate host cells.
Does the answer answer the question? OPTIONS:
- yes
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ANS: yes

QUES: Q: What symbolism has played an important role in shaping the history of Switzerland?
A: Alpine symbolism has played an essential role in shaping the history of the country and the Swiss national identity.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS: yes

QUES: Q: What is becoming an international political issue?
A: Biodiversity's relevance to human health is becoming an international political issue, as scientific evidence builds on the global health implications of biodiversity loss.
Does the answer answer the question? OPTIONS:
- yes
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ANS: yes

QUES: Q: What device was used to produce the measurements of sea level change on Tuvalu?
A: The 2011 report of the Pacific Climate Change Science Program published by the Australian Government, concludes: "The sea-level rise near Tuvalu measured by satellite altimeters since 1993 is about 5 mm (0.2 in) per year."
Does the answer answer the question? OPTIONS:
- yes
- no

ANS:
yes