Problem: Greg is is a chef. Last night, he was in his kitchen preparing foods for the guests. First, he made some lemonade. In trial one he added some honey in it and stirred it, but in trial two he didn't stir it. Then he made some coffee. In trial three he added hot water in it, but in trial four he added cold water in it. Finally, he made some soup. In trial five he added fine grain salt in it, but in trial six he added coarse salt in it. In which trial the coffee would be prepared faster, trial three or trial four?

A: trial three

Problem: At a doctor's office, two women are having their annual physical done. Jessie goes in first and is told that that she should go see a dermatologist about the skin issues she is having. The doctor then sees Martha who is having a pain in her right arm and who also has hypertension. The doctor talks to Martha about her issues and then heads home for the day. Which woman has a lower blood pressure?

A: Jessie

Problem: John and Keith are two friends. They went to see an ophthalmologist for an eye cheek up. The doctor found that John had myopia, but Keith had normal eyes. He advised them according to his findings. Would John's eyeball more likely or less likely be longer than Keith's?

A: more likely

Problem: A team of hikers split into two groups. Group Jones hiked north and camped there overnight. Group George went east. Both groups made campfires and heated cans of soups. Group Jones didn't make holes in the cans, so the cans exploded. The others heated their soup cans the right way, by venting them first. Which group's cans had the air molecules inside impact the container walls with less force?

A:
George