You're right Absolutejaguar, the language is above most people's normal everyday use, but the game's quite clever in that it has 'vocab levels'. When you answer three in a row correctly you go up a level, but answer one incorrectly and you go down a level. The higher the level, the harder the words (or so it seems). Eventually you should find you stay around the same level.

I've donated 3000 grains of rice so far, and I seem to be averaging around level 35, occasionally peaking up to level 39.

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