Question:
Who was the chair of Unilever in Nov, 2020?

Context:
 Michael Treschow is the chair of Unilever from May, 2007 to Apr, 2016. 
 Nils Smedegaard Andersen is the chair of Unilever from Nov, 2019 to Dec, 2022. 
 Antony Burgmans is the chair of Unilever from May, 2005 to May, 2007. 
 Marijn Dekkers is the chair of Unilever from Apr, 2016 to Nov, 2019.

Answer:
Question:
Who was the chair of Unilever in Nov, 2020?

Context:
 Michael Treschow is the chair of Unilever from May, 2007 to Apr, 2016. 
 Nils Smedegaard Andersen is the chair of Unilever from Nov, 2019 to Dec, 2022. 
 Antony Burgmans is the chair of Unilever from May, 2005 to May, 2007. 
 Marijn Dekkers is the chair of Unilever from Apr, 2016 to Nov, 2019.

Answer:
user
Nils Smedegaard Andersen
assistant
Question:
Who was the chair of Unilever in Nov, 2020?

Context:
 Michael Treschow is the chair of Unilever from May, 2007 to Apr, 2016. 
 Nils Smedegaard Andersen is the chair of Unilever from Nov, 2019 to Dec, 2022. 
 Antony Burgmans is the chair of Unilever from May, 2005 to May, 2007. 
 Marijn Dekkers is the chair of Unilever from Apr, 2016 to Nov, 2019.

Answer:
user
Marijn Dekkers
Antony Burgmans
Michael Treschow
assistant
Question:
Who was the chair of Unilever in Nov, 2020?

Context:
 Michael Treschow is the chair of Unilever from May, 2007 to Apr, 2016. 
 Nils Smedegaard Andersen is the chair of Unilever from Nov, 2019 to Dec, 2022. 
 Antony Burgmans is the chair of Unilever from May, 2005 to May, 2007. 
 Marijn Dekkers is the chair of Unilever from Apr, 2016 to Nov, 2019.

Answer:
user
Nils Smedegaard Andersen
assistant