Question:
Who was the head of Pennsylvania in May, 2019?

Context:
 Tom Wolf is the head of the government of Pennsylvania from Jan, 2015 to Dec, 2022. 
 Tom Ridge is the head of the government of Pennsylvania from Jan, 1995 to Oct, 2001. 
 Tom Corbett is the head of the government of Pennsylvania from Jan, 2011 to Jan, 2015. 
 Mark S. Schweiker is the head of the government of Pennsylvania from Oct, 2001 to Jan, 2003. 
 Ed Rendell is the head of the government of Pennsylvania from Jan, 2003 to Jan, 2011.

Answer:
Question:
Who was the head of Pennsylvania in May, 2019?

Context:
 Tom Wolf is the head of the government of Pennsylvania from Jan, 2015 to Dec, 2022. 
 Tom Ridge is the head of the government of Pennsylvania from Jan, 1995 to Oct, 2001. 
 Tom Corbett is the head of the government of Pennsylvania from Jan, 2011 to Jan, 2015. 
 Mark S. Schweiker is the head of the government of Pennsylvania from Oct, 2001 to Jan, 2003. 
 Ed Rendell is the head of the government of Pennsylvania from Jan, 2003 to Jan, 2011.

Answer:
user
Tom Wolf
assistant
Question:
Who was the head of Pennsylvania in May, 2019?

Context:
 Tom Wolf is the head of the government of Pennsylvania from Jan, 2015 to Dec, 2022. 
 Tom Ridge is the head of the government of Pennsylvania from Jan, 1995 to Oct, 2001. 
 Tom Corbett is the head of the government of Pennsylvania from Jan, 2011 to Jan, 2015. 
 Mark S. Schweiker is the head of the government of Pennsylvania from Oct, 2001 to Jan, 2003. 
 Ed Rendell is the head of the government of Pennsylvania from Jan, 2003 to Jan, 2011.

Answer:
user
Tom Corbett
Tom Ridge
Mark S. Schweiker
Ed Rendell
assistant
Question:
Who was the head of Pennsylvania in May, 2019?

Context:
 Tom Wolf is the head of the government of Pennsylvania from Jan, 2015 to Dec, 2022. 
 Tom Ridge is the head of the government of Pennsylvania from Jan, 1995 to Oct, 2001. 
 Tom Corbett is the head of the government of Pennsylvania from Jan, 2011 to Jan, 2015. 
 Mark S. Schweiker is the head of the government of Pennsylvania from Oct, 2001 to Jan, 2003. 
 Ed Rendell is the head of the government of Pennsylvania from Jan, 2003 to Jan, 2011.

Answer:
user
Tom Wolf
assistant