Recommend Which of the Following Rejections Under 35 USC 102

Recommend which of the following rejections under 35 USC 102 in a reexamination proceeding is in accordance with the patent laws, rules and procedures as related in the MPEP.

A) A rejection under 35 USC 102(a) based on an affidavit that the invention was known or used by others before the invention thereof by the applicant for patent.
B) A rejection under 35 USC 102(b) based on an affidavit that the invention was in the public use in this country more than one year prior to the date of the application for a patent in the United States.
C) A rejection under 35 USC 102(e) that the invention was described in a patent by another filed in the United States before the invention thereof by the patent applicant.
D) A rejection under 35 USC 102(f) based on an affidavit that the applicant did not himself invent the subject matter sought to be patented.
E) A rejection under 35 USC 102(b) that the invention was on sale in this country, more than one year prior to the date of the application for patent in the United States.