Question: People from two villages got infected with viruses and got sick. People from Hill village got infected with the flu, while people in Valley village got infected with hepatitis B. Which village experienced more instances of vomiting?
Answer: Valley

Question: Bill has a friend that lives in New Zealand and he always gets confused about the weather and the seasons when they chat, because the Southern Hemisphere has different seasons than people from the Northern Hemisphere. Which hemisphere is exposed to less direct sunlight in June?
Answer: Southern

Question: Bob was a medical student and he studied drugs administered to people with viral diseases, while his colleague Liam decided to study other types of drugs, such as antibiotics and anticoagulants. Which colleague studied less about the development of antiviral drugs?
Answer:
Liam