Problem: John was trying to reenact Le Chatelier's principle. To that end, he conducted four tests, test A, test B, test C, and test D. In test A, he didn't input any stress to a chemical system in equilibrium. But In test B, he put some stress to the same system. In test C, he observed a forward reaction, but in test D, he observed a reverse reaction. Which test saw higher concentration of the reactants, test C or test D?

A: test D
Problem: Given the question: David was visiting the natural history museum. He noticed two charts that showed the climatic conditions of the earth in two time periods, time A and time B. Time A showed earth's overall climate in the sixteenth century when there were less greenhouse gases in the atmosphere. And time B showed earth's overall climate in the present century with more greenhouse gases in the atmosphere. David found some interesting differences between these two charts. In which time global temperature would more likey be in equilibrium, time A or time B?
++++++++++++++++++++++++++++++++
The answer is:
time A
input question: Bob is an astrophysicist. He was pondering about the beginning of our universe. He pinpointed the time when the universe just began to exist. He labeled it as point A. To compare it with present situation of the universe he labeled the present time as point B. In point B would the redshift be smaller or greater than in point A????
output answer: greater
Tony and Greg are brothers. They are currently in the kitchen eating a snack together. Greg is eating a stalk of celery while Tony is eating out of a bowl of candy. Tony remarks that he doesn't know how Greg enjoys such a bland snack. Greg just gives Tony an angry glare before getting up to go into the living room. On the living room table, Greg finds a glass of milk and a bowl of milk. The glass of milk has started to get thick, but the bowl of milk appears to be still fresh. Greg rolls his eyes at the mess and walks away. Which person will experience less tooth decay?
----
Answer: Greg
Q: Two sister countries used petroleum in different ways. Norway used it to make plastics, while Sweden used it for fuel. Which country used less fuel for trucks?
A: Norway
[Q]: A doctor tested two people for HIV. Tom had the virus in his blood, while Nick didn't have HIV, he was healthy. Tom has apparently had the virus for 20 years. Which person didn't develop frequent infections?
****
[A]:
Nick