Question:
Who was the head of Boston in Jan, 2021?

Context:
 Thomas Menino is the head of the government of Boston from Jan, 1993 to Jan, 2014. 
 Kim Janey is the head of the government of Boston from Mar, 2021 to Nov, 2021. 
 Marty Walsh is the head of the government of Boston from Jan, 2014 to Mar, 2021.

Answer:
Question:
Who was the head of Boston in Jan, 2021?

Context:
 Thomas Menino is the head of the government of Boston from Jan, 1993 to Jan, 2014. 
 Kim Janey is the head of the government of Boston from Mar, 2021 to Nov, 2021. 
 Marty Walsh is the head of the government of Boston from Jan, 2014 to Mar, 2021.

Answer:
user
Marty Walsh
assistant
Question:
Who was the head of Boston in Jan, 2021?

Context:
 Thomas Menino is the head of the government of Boston from Jan, 1993 to Jan, 2014. 
 Kim Janey is the head of the government of Boston from Mar, 2021 to Nov, 2021. 
 Marty Walsh is the head of the government of Boston from Jan, 2014 to Mar, 2021.

Answer:
user
Kim Janey
Thomas Menino
assistant
Question:
Who was the head of Boston in Jan, 2021?

Context:
 Thomas Menino is the head of the government of Boston from Jan, 1993 to Jan, 2014. 
 Kim Janey is the head of the government of Boston from Mar, 2021 to Nov, 2021. 
 Marty Walsh is the head of the government of Boston from Jan, 2014 to Mar, 2021.

Answer:
user
Marty Walsh
assistant