Exercise of the genitive case

Identify the genitive case of the German language.

Please mark all the nouns and their related articles in the genitive case. The genitive case shows the possession of something. 

Das Buch des Kindes ist gelb. (The kid's book is yellow.)

Das Telefon der Mutter klingelt. (The mother's telephone is ringing.)

Das Mädchen fährt das Auto des Vaters. (The girl drives the father's car.)

Das Zimmer der Mädchen ist pink. (The girl's room is pink.)

Die Kante des Tischs. (The edge of the table.)

Der Vogel fliegt über das Land. (The bird flies across the country.)

Correct!
Incorrect!
Missed!