Q: Keith was a studying for his chemistry exam. He got interested in solubility of different substances. For that, he conducted five tests, test A, test B, test C, test D, and test E. in test A, he used some liquid solute in a solvent in room temperature. Then in test B, he increased the temperature. In test C, he used some gaseous solute in a solvent in room temperature. But in test D, he increased the temperature. Finally, in test E he replaced the solvents in each of the earlier tests with water. Given the paragraph above, please answer correctly the following question: In which case the solute would be more soluble, case A or case B?
A: case B

Q: Two students were learning about atmospheres and planets. Dan learned about the atmosphere of Earth, while Nate learned about planet Venus and its atmosphere. Given the paragraph above, please answer correctly the following question: Which student learned more about the planet with a strong greenhouse effect?
A: Nate

Q: David needs to purchase a camera for his photography class. He went to the local consumer electronics store to find himself a good camera. Two cameras caught his eye, camera A and camera B. Camera A had a very small pinhole, but camera B had larger aperture. David needs to decide which camera should he buy. Given the paragraph above, please answer correctly the following question: Which camera would have higher beam quality?
A: camera A

Q: Two brothers went on vacation. Tom partied heavily, and found out that he was infected with the HIV virus. Tim was more moderate, he went to the beach to get a sun tan, but he got an infection as well. Tim found out he got a bacterial infection and had to take antibiotics. Given the paragraph above, please answer correctly the following question: Which brother didn't have to take interferon?
A:
Tim