Ah sh*t! I can't laught since my parents are sleeping... I'll have to do it like this ( [Linked Image] ).

We've just worked with this in chemistry, but we didn't resiev this question. Maybe they're saveing it for the main chourse test (extremely big, extremely difficult). I should study this answer, just in case...

Übereil

Brain: an apparatus with which we think we think.

Ambrose Bierce