Problem: Sandra liked all creatures but loved to study frogs. Her sister Julie studied more about fish and butterflies. They both loved nature. Given the paragraph above, please answer correctly the following question: Which sister heard more male frogs "ribbiting"?

A: Sandra

Problem: Walter and Jesse, two coworkers, are sitting at a hotel bar having a drink together after a long day at a conference when the subject of bad habits comes up. Jesse shares that he has always struggled with biting his nails and no matter what he seems to do he can't kick the habit. Walter's bad habit is that when he plays his weekly baseball game he will use chewing tobacco. He says he doesn't even particularly like the taste anymore, but once he gets to the park he has a craving for it. Given the paragraph above, please answer correctly the following question: Which man's chance of having mouth cancer is higher?

A: Walter

Problem: Two dairy farms were supplying milk and other milk products to the surrounding counties. Sunny farm practiced organic farming and produced organic milk, while Cloud farm was into conventional milk production. Given the paragraph above, please answer correctly the following question: Which farm released more methane into the atmosphere?

A: Sunny

Problem: Harry and Kim studied ancient humans. Kim studied a 15000 year-old settlement, before humans invented agriculture, while Harry studied a 5000 year-old village. Given the paragraph above, please answer correctly the following question: Which student studied about a village that had fewer diseases that spread from domestic animals?

A:
Kim