Problem: Two groups of soldiers started different training programs. Blue group did weight training for 3 months, while Brown group ran 3 miles a day for three months. The Captain observed different results on each group. Given the paragraph above, please answer correctly the following question: Which group had their cardiac muscles contract faster while training?

A: Brown

Problem: Some students studied Earth's atmosphere in class. They also started studying Venus' atmosphere. They were fascinated by the subject and learned a lot. Given the paragraph above, please answer correctly the following question: Which planet has an atmosphere that is more toxic to humans, Venus or Earth?

A: Venus

Problem: Mark has just graduated high school and is going to visit his grandpa, Tom, over the summer for a couple days. Since Tom is retired, he often has plenty of time to go fishing, and he even has a small cabin by the lake. The two men are planning to spend several days at the cabin cooking, fishing, chopping firewood to make fires and just general outdoor activities. Given the paragraph above, please answer correctly the following question: Who will struggle to chop firewood more?

A: Mark

Problem: In school, Jeremy's class has been assigned pen pals on the other side of the planet to write to. Jeremy lives in the United States and has been assigned to a girl named Marge who lives in Australia. Jeremy was told by his teacher that although Jeremy's town is in the winter season, Marge's country is currently experiencing summer. This idea intrigues Jeremy so in his first letter he is going to ask Marge many questions about this subject. Given the paragraph above, please answer correctly the following question: Will Jeremy have more or less time than Marge to play in the sun after school?

A:
less