Problem: Bob and Bill studied at the same university. While Bob got into studying nutrition, Bill ended up studying about cancer and how to prevent it. Which student learned more about avoiding smoking?

A: Bill

Problem: David is an environmental scientist. He needed to find causes of wildfires and suggest preventive measures. First, he visited a dense forest. He marked it as location A. Then he visited a grassland, which he marked as location B. After that, he visited a location where he did not find any sign of drought. He marked it as time A. He then visited the same location a year later, and found that the place was facing a severe drought. He marked it as time B. Which time would see more wildfires, time A or time B?

A: time B

Problem: John is conducting an experiment in his chemistry lab. His goal is to find a chemical solution that can regulate temperature. To that end, he considered two processes, process A and process B. Process A is an exothermic process, but process B is an endothermic process. In which process the solution would be warmer, process A or process B?

A: process A

Problem: Different societies take care of their young differently. It often boils down to economic activities. For example, take two locations, location A and location B. Location A is a large city where life is hectic. Children are usually raised here according to classical attachment. On the other hand, location B is in the countryside where people get to see each other more often. Location B is essentially an alloparenting community. In which location a child would most probably have multiple caregivers, location A or location B?

A:
location B