[Q]: Two friends decided to lose weight. Tammy started eating healthier, she only used organic products. Fay reduced the number of calories, but still ate conventional food and produce. Which friend ate less food that was free from agents which could cause human diseases?
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[A]: Fay

[Q]: Two friends had unprotected sex with their respective dates on the same night. Everything went fine for both of them. They later found out the bad news. Mike had been infected with HIV. Luckily enough Pete was healthy, he didn't get any diseases. Which friend didn't have a virus that is transmitted by contact with infected breast milk?
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[A]: Pete

[Q]: Two friends liked studying about the Earth's atmosphere. Vick studied more about the troposphere, while Frank studied more about the Greenhouse Effect. Which friend studied more about methane?
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[A]: Frank

[Q]: Two brothers loved geology. Bob studied sedimentary rocks while Dan studied about earthquakes and their location. Which brother studied less about rocks breaking as a result of stress buildup?
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[A]:
Bob