For Each Millimeter of Apical Migration of Sulcular Epithelial Attachment,there

For each millimeter of apical migration of sulcular epithelial attachment,there is also one millimeter of periodontal fibers lost.This migration of junctional epithelium and clinical attachment loss is the hallmark sign for diagnosing periodontitis.

A) Both statements are true.
B) Both statements are false.
C) First statement is true,second statement is false.
D) First statement is false,second statement is true.