Which is bigger, A or B?
Click a picture or press A, B, or C.
Choose your settings, then click Start. You can change them anytime with the Settings button at the bottom of the screen.
Real world shows different things with no numbers. It uses big/small, heavy/light, fast/slow, and expensive/cheap. Most topics show the same thing 2 or 3 times with tags to read. Family and people compares different people (Who is older?). Weather compares days of the week. The small words under each topic are the adjectives it uses.