Question:
Who was the head of Democratic Kampuchea in May, 1977?

Context:
 Penn Nouth is the head of the government of Democratic Kampuchea from Jan, 1976 to Apr, 1976. 
 Pol Pot is the head of the government of Democratic Kampuchea from Oct, 1976 to Oct, 1979. 
 Nuon Chea is the head of the government of Democratic Kampuchea from Sep, 1976 to Oct, 1976. 
 Khieu Samphan is the head of the government of Democratic Kampuchea from Apr, 1976 to Apr, 1976.

Answer:
Question:
Who was the head of Democratic Kampuchea in May, 1977?

Context:
 Penn Nouth is the head of the government of Democratic Kampuchea from Jan, 1976 to Apr, 1976. 
 Pol Pot is the head of the government of Democratic Kampuchea from Oct, 1976 to Oct, 1979. 
 Nuon Chea is the head of the government of Democratic Kampuchea from Sep, 1976 to Oct, 1976. 
 Khieu Samphan is the head of the government of Democratic Kampuchea from Apr, 1976 to Apr, 1976.

Answer:
user
Pol Pot
assistant
Question:
Who was the head of Democratic Kampuchea in May, 1977?

Context:
 Penn Nouth is the head of the government of Democratic Kampuchea from Jan, 1976 to Apr, 1976. 
 Pol Pot is the head of the government of Democratic Kampuchea from Oct, 1976 to Oct, 1979. 
 Nuon Chea is the head of the government of Democratic Kampuchea from Sep, 1976 to Oct, 1976. 
 Khieu Samphan is the head of the government of Democratic Kampuchea from Apr, 1976 to Apr, 1976.

Answer:
user
Nuon Chea
Penn Nouth
Khieu Samphan
assistant
Question:
Who was the head of Democratic Kampuchea in May, 1977?

Context:
 Penn Nouth is the head of the government of Democratic Kampuchea from Jan, 1976 to Apr, 1976. 
 Pol Pot is the head of the government of Democratic Kampuchea from Oct, 1976 to Oct, 1979. 
 Nuon Chea is the head of the government of Democratic Kampuchea from Sep, 1976 to Oct, 1976. 
 Khieu Samphan is the head of the government of Democratic Kampuchea from Apr, 1976 to Apr, 1976.

Answer:
user
Pol Pot
assistant