Mary was sinless.
Mary remained a virgin.
Eh, these two should do for a start.
You may now procede to post the Scripture that backs up these two statements.
No need. As a Catholic I do not believe in sola Scripture. I will take the testimony of the Church. Now you who do, post the Scripture that says that she did sin or did not remain a virgin.
Also please post the Scripture that lists the books of the Bible.