TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: The chair is in charge of the Board of Governors of the Federal Reserve System .

SOLUTION: The Chair of the Board of Governors of the Federal Reserve System is the head of the Federal Reserve , which is the central banking system of the United States .

PROBLEM: The Sierra newt is a subspecies of the California newt .

SOLUTION: The Sierra newt was formerly regarded as a subspecies ( " Taricha torosa sierrae " ) of the California newt ( " Taricha torosa " ) .

PROBLEM: It has three floors , where it consists of male prayer hall , female prayer hall , guess room , classes and dormitories .

SOLUTION:
The building consists of three stories , in which the first story is dedicated for the male prayer hall , the second story is for the female prayer hall and guest room , and the third floor is for classes and dormitories .