Sentence:  The story of the delivery of Israel from Egyptian bondage is read in Hebrew by the chief of the house from a book called the <WSD>"agada</WSD>", which is interwoven with hymns of praise and thanksgiving, and it also contains some legendary chapters entirely figurative in their sense and composition. 
Meaning of the word marked with <WSD> tags:  (nodot=1); the text recited at Seder.