Problem: Two high school buddies, Dan and Bob, had very different lifestyles 30 years later. Dan made only healthy lifestyle choices, was vegan. Bob ate meat, cheese and didn't care about his health and didn't protect himself. Given the paragraph above, please answer correctly the following question: Which man smoked tobacco, Dan or Bob?

A: Bob

Problem: Tree city and Leaf city were the two biggest cities in Boulderland. Tree city burned lots of gas and other fossil fuels, while Leaf city was very protective towards its environment. Given the paragraph above, please answer correctly the following question: Which city exposed fewer people to lung cancer?

A: Leaf

Problem: John was studying plant varieties in different regions. He fist visited the Pacific Northwest. He found that the wind was constantly very strong there. He marked it as case A. Then he studied the plants in the Midwest. He found that on average the wind speed was very light there. He marked it as case B. Given the paragraph above, please answer correctly the following question: In which case seedlings would spend less energy to repair the damaged stems, case A or case B?

A: case B

Problem: Two neighboring towns, Pine town and Willow town, used different types of woods for lumber et al. Willow town used hardwoods, while Pine town used softwoods. Given the paragraph above, please answer correctly the following question: Which town used more conifers for their sticky substance you might see oozing out of a wound on a pine tree?

A:
Pine