Q: 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. Given the paragraph above, please answer correctly the following question: Would test D see higher or lower concentration of the reactants than test C?
A: higher

Q: Johnathan is trying to find two blocks of wood with the same mass for a project he is working on. He doesn't have a balance, so he makes a crude one out of materials he has on hand. He put a block of wood on either side and the block on the left side was at a lower level than the block on the right. Given the paragraph above, please answer correctly the following question: If Johnathan replaced the block of wood on the left side with a block with less mass would that side of the balance go up or down?
A: up

Q: John and Keith were playing football - the game was rough to say the least. They both got hurt. After the game they went to see the sports physician for a check up. The physician found that John had inflammation, but Keith didn't have any inflammation. Given the paragraph above, please answer correctly the following question: Who would have dilated blood vessels near the wound, John or Keith?
A: John

Q: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases. Given the paragraph above, please answer correctly the following question: Which town has fewer people that caught whooping cough?
A:
Birch