Please answer this: Sarah and Sophie are sisters living in two different cities. Sarah lives in a very rural area with hardly any air pollution. Sophie lives in a heavily industrialized urban area with many factories and people driving cars to their destinations. This all leads to Sophie's city having a large amount of pollution going into the atmosphere. Who is less likely to die from air pollution?
++++++++
Answer: Sarah

Please answer this: Two colleagues gave blood for an emergency. Ned got infected with HIV because they re-used a needle. His friend Nate was not infected. Which colleague didn't have a virus that causes Acquired Immunodeficiency Syndrome ( AIDS )?
++++++++
Answer: Nate

Please answer this: A pharmaceutical company is trying to find the cure for allergy. To that end, they conducted an experiment with two groups of subjects, group A and group B. They exposed the participants in group A to allergen, but they didn't expose the participants in group B to any allergen. The symptoms of these two groups would help them find the cure for allergy. Which group would experience nasal congestion, group A or group B?
++++++++
Answer:
group A