Question: Tim and Allen were two pen pals, Tim lived in Canada, while Allen lived in Australia. they were chatting about the weather and the fact that their two countries are situated in two different hemispheres. Which person experiences colder weather in July, Tim or Allen?
Answer: Allen

Question: Research team Alpha learned about early human activities, from 200000 years ago, while team Gamma learned about late human activities, 40000 years ago to present times. Which team learned about the spread of humans to Australia?
Answer: team Gamma

Question: Keith was playing a simulation game. In the game he could travel around the Sun in the future. He started the game in present time, which was denoted as time A. Then he traveled 5.4 billion years into the future, which was denoted as time B. Finally, he reached 7.5 billion years into the future, which was denoted as time C. He was amazed to find how the Sun would change over time. When would the size of the Sun be bigger, time A or time C?
Answer:
time C