Problem: Given the question: Two mycologists studied about mushrooms. Bert studied mycorrhizal fungi, while Vince studied saprophytic mushrooms. Which person studied less about a symbiotic association between a fungus and the roots of a plant?
++++++++++++++++++++++++++++++++
The answer is:
Vince

Problem: Given the question: Brad studied ancient human settlements from 100,000 years ago. His colleague Phil studied human settlement from 8-10,000 years ago. They were both fascinated by their findings. Which colleague studied that more people settled down in cities?
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The answer is:
Phil

Problem: Given the question: Justin and Robert are brothers who both work in construction in the summers. Due to their work, they both often spend a lot of time outside with the sun shining down on them for several hours a day for a few months at a time. Justin always makes sure to apply sunscreen frequently when he works, while Robert never applies sunscreen. Who has a lower risk of getting skin cancer?
++++++++++++++++++++++++++++++++
The answer is:
Justin