++This is an introductory comment. It often has instructions for the exercise. -- Christmas happens in: :r1 November :r2 December :r3 January :r2 ok -- How many months are there in the year? :r1 10 :r2 11 :r3 12 :r4 13 :r5 14 :r3 ok -- The author of Máj was: :c1 Karel :c2 Hynek :c3 Jan :c4 Mácha :c5 Dobrovský :c6 Borovský :c1:c2:c4 ok ex -- The two biggest cities in the Czech Republic are :t1___________ and :t2___________ :t1="Brno" ok :t1="Prague" ok :t2="Brno" ok :t2="Prague" ok