Then they understood that he was not telling them to guard against the yeast used in bread, but against the teaching of the Pharisees and Sadducees.
NIV
Then they discerned that He did not tell them to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.
AMP
Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the Pharisees and of the Sadducees.
KJV
"How is it you don't understand that I was not talking to you about bread? But be on your guard against the yeast of the Pharisees and Sadducees."
NIV
How is it that you fail to understand that I was not talking to you about bread? But beware of the leaven (ferment) of the Pharisees and Sadducees.
AMP
How is it that ye do not understand that I spake it not to you concerning bread, that ye should beware of the leaven of the Pharisees and of the Sadducees?
KJV
When he said this, a dispute broke out between the Pharisees and the Sadducees, and the assembly was divided.
NIV
So when he had said this, an angry dispute arose between the Pharisees and the Sadducees; and the whole [crowded] assemblage was divided [into two factions].
AMP
And when he had so said, there arose a dissension between the Pharisees and the Sadducees: and the multitude was divided.
KJV
