There is no resurrection (αναστασιν μη εινα). Accusative and infinitive with negative μη in indirect assertion. The Sadducees rally after the complete discomfiture of the Pharisees and Herodians. They had a stock conundrum with which they had often gotten a laugh on the Pharisees. So they volunteer to try it on Jesus. For discussion of details here see on Matthew 22:23-33; Mark 12:18-27. Only a few striking items remain for Luke.