Question:
Who was the chair of Federal Office for Information Security in May, 2014?

Context:
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015. 
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022.

Answer:
Question:
Who was the chair of Federal Office for Information Security in May, 2014?

Context:
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015. 
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022.

Answer:
user
Michael Hange
assistant
Question:
Who was the chair of Federal Office for Information Security in May, 2014?

Context:
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015. 
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022.

Answer:
user
Otto Leiberich
Arne Schönbohm
Udo Helmbrecht
assistant
Question:
Who was the chair of Federal Office for Information Security in May, 2014?

Context:
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015. 
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022.

Answer:
user
Michael Hange
assistant