match the rules (1 2 3 4 5 6) in the table with these sentences to explain the use of the article.

1 the noun is clear from the context or situation
2 the noun has already been used
3 the noun has got a limiting attribute правила
4 the nouns describe unique objects
5 the noun stands for the whole class of objects
6 the noun describes the adverbial modifier of place

a) The anteater is a primitive animal
b) Henry went to the library
c) Robin couldn't cope with the last text
d) They bought a new English-Russian dictionary. The dictionary is very expensive
e) The idiom was not easy to memorize
f) They live in the north of England.