Question:
Who was the chair of PSL University in Jul, 2014?

Context:
 Alain Fuchs is the chair of PSL University from Oct, 2017 to Dec, 2022. 
 Marc Mézard is the chair of PSL University from May, 2017 to Oct, 2017. 
 Monique Canto-Sperber is the chair of PSL University from Feb, 2012 to Sep, 2014. 
 Thierry Coulhon is the chair of PSL University from Feb, 2015 to May, 2017.

Answer:
Question:
Who was the chair of PSL University in Jul, 2014?

Context:
 Alain Fuchs is the chair of PSL University from Oct, 2017 to Dec, 2022. 
 Marc Mézard is the chair of PSL University from May, 2017 to Oct, 2017. 
 Monique Canto-Sperber is the chair of PSL University from Feb, 2012 to Sep, 2014. 
 Thierry Coulhon is the chair of PSL University from Feb, 2015 to May, 2017.

Answer:
user
Monique Canto-Sperber
assistant
Question:
Who was the chair of PSL University in Jul, 2014?

Context:
 Alain Fuchs is the chair of PSL University from Oct, 2017 to Dec, 2022. 
 Marc Mézard is the chair of PSL University from May, 2017 to Oct, 2017. 
 Monique Canto-Sperber is the chair of PSL University from Feb, 2012 to Sep, 2014. 
 Thierry Coulhon is the chair of PSL University from Feb, 2015 to May, 2017.

Answer:
user
Thierry Coulhon
Marc Mézard
Alain Fuchs
assistant
Question:
Who was the chair of PSL University in Jul, 2014?

Context:
 Alain Fuchs is the chair of PSL University from Oct, 2017 to Dec, 2022. 
 Marc Mézard is the chair of PSL University from May, 2017 to Oct, 2017. 
 Monique Canto-Sperber is the chair of PSL University from Feb, 2012 to Sep, 2014. 
 Thierry Coulhon is the chair of PSL University from Feb, 2015 to May, 2017.

Answer:
user
Monique Canto-Sperber
assistant