Matthew 1:16 and Luke 3:23~Joseph's Father
Matthew 27.5 and Acts 1:18~Judas' Fate
Genesis 4:1 and Genesis 4:17~Cain's wife
Discuss these Biblical conflicts of data, address possible historic sources for these text based differences, and state validity of one, or state why it need not be addressed within the study as a Christian.
A paragraph of each is more than reasonable, but if you feel yourself going wild, write as much as the spirit moves you.