πῶς οὐ νοεῖτε ὅτι οὐ περὶ ἄρτου εἶπον ὑμῖν προσέχειν ἀπὸ τῆς ζύμης τῶν Φαρισαίων καὶ Σαδδουκαίων;

1. πῶς
   how
2. οὐ
   not
3. νοεῖτε
   do you understand
   you understand
4. ὅτι
   that
   because
5. οὐ
   not
6. περὶ
   about
   concerning
7. ἄρτου
   bread
   of bread
8. εἶπον
   i said
   said
9. ὑμῖν
   to you
10. προσέχειν
    to pay attention
11. ἀπὸ
    from
12. τῆς
    of the
    the
13. ζύμης
    leaven
14. τῶν
    of the
15. Φαρισαίων
    Pharisees
16. καὶ
    and
17. Σαδδουκαίων
    Sadducees
18.  
    ;
     

How do you not understand that I was not speaking to you about bread when I said to pay attention to the leaven of the Pharisees and Sadducees?