Q: John wanted to see how he would fare in high altitude compared to ground-level. So, he first measured his responses in ground-level. He labeled this part of the study as case A. Then he board on an airplane to reach high altitude, and measured his responses there. He labeled this part of the study as case B. Now, John knows how he needs to prepare for a high altitude hiking. Given the paragraph above, please answer correctly the following question: Which case would see higher atmospheric pressure, case A or case B?
A: case A

Q: Tom and John are both pool owners. Tom prefers to use sodium bisulfate in his pool because he enjoys the smell. John, however, prefers using sodium carbonate in his pool because he believes it helps keep pests away. Given the paragraph above, please answer correctly the following question: Whose pool will have a higher pH?
A: John

Q: John wanted to know what makes a lake different from a pond. To that end, he first visited a lake. He labeled that part of the study as case A. Then he visited a pond. He labeled that part of the study as case B. John realized that though both of them were water-bodies, they were very different. Given the paragraph above, please answer correctly the following question: Would case B water-body be deeper or shallower than case A?
A: shallower

Q: 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 lowered the risk of cancer by avoiding carcinogens?
A:
Dan