input: Please answer the following: Jordan is conducting an experiment to see how Iron rusts. He first takes Iron Bar A and puts it out on his porch on a rainy day. Then he puts Iron bar B in an airtight bag and removes all of the oxygen and air to vacuum seal it. After some time passes the bar he left outside is completely covered in rust. He removes the bar in the vacuum sealed bag and to his surprise it has no rust at all. Because there was no oxygen and water in the air tight bag, iron bar B has no rust at all. Iron bar A was exposed to a lot of water and oxygen and there for it rusted completely. Which iron bar was exposed to more water and oxygen, Iron Bar A or Iron Bar B?
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output: Iron Bar A
Please answer this: John was studying about the history of Sahara desert. He was amazed to find that ten thousand years ago there were plenty of rainfall in that region. He labeled that era as era A. Then he found that rainfall deceased in the region about eight thousand years ago. He labeled that era as era B. He was wondering how that change in rainfall might have helped emerge the Egyptian civilization. Would era B see less or more rocks with chemical reactions than era A?
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Answer: less
Problem: The police arrested two homeless people. James was 35 and had been HIV positive for 20 years, and Bill, who was 54 and was not HIV positive. They booked them and let them go. Which person didn't have to take medicines to slow down the virus?

A: Bill
Problem: Given the question: Two space explorers are flying around through an unknown galaxy when they discover two new planets. Given that these planets have no names, the explorers decide to name them after themselves. The planet of Sarahn is currently going through a large geographic shift. Many of the continents on the planet are currently breaking apart and moving. Timon, however, has been a stable planet with no continental moving for quite awhile now. Is the volcanic crust on Sarahn or Timon hotter?
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The answer is:
Sarahn
input question: Dr. Jones studied 2 groups of people to see the effects of aging on humans. Group A had people under 35 years old in it, while group B had people over 65. Which group had a greater decline in stamina????
output answer: group B
input question: Adrian and Justin are brothers who are currently undergoing puberty. Adrian is nearing the end of puberty and his rate of height growth is low. Justin has just started puberty, though, and his rate of height growth is currently quite high. Who will experience growth of their muscles sooner????
output answer:
Adrian