A mouse saved her young from a ferocious cat by barking 'bow wow'. After the cat ran away, the mouse said to her offspring 'See, children, it pays to know a second language' (Efstathiadis, 93)

Today is the European Day of Languages and I have a special task for you. This is your first assignment. Good luck! You have just one week. 
CAL 5 syllabus.