input: Please answer the following: Determine the topic of the question-answer pair. Question: "when barack obama was born?"; Answer: "Barack Hussein Obama II (; born August 4, 1961) is the 44th and current President of the United States , the first African American to hold the office."? Topic:
++++++++++
output: Barack Obama

Please answer this: Determine the topic of the question-answer pair. Question: "who was john f kennedy up against?"; Answer: "The Republican Party nominated incumbent Vice-President Richard Nixon , while the Democratic Party nominated John F. Kennedy , Senator from Massachusetts."? Topic:
++++++++
Answer: United States presidential election, 1960

Problem: Determine the topic of the question-answer pair. Question: "what is blood urea?"; Answer: "Normal human adult blood should contain between 7 to 21 mg of urea nitrogen per 100 ml (721 mg/ dL ) of blood."? Topic:

A: Blood urea nitrogen

Problem: Given the question: Determine the topic of the question-answer pair. Question: "where is green bay packers from?"; Answer: "The Green Bay Packers are an American football team based in Green Bay, Wisconsin ."? Topic:
++++++++++++++++++++++++++++++++
The answer is:
Green Bay Packers

input question: Determine the topic of the question-answer pair. Question: "what caused the world war 2?"; Answer: "The culmination of events that led to the outbreak of war are generally understood to be the 1939 invasion of Poland by Germany and Soviet Russia and the 1937 invasion of the Republic of China by the Empire of Japan ."? Topic:???
output answer: Causes of World War II

input question: Determine the topic of the question-answer pair. Question: "how was the moon formed?"; Answer: "Although there have been several hypotheses for its origin in the past, the current most widely accepted explanation is that the Moon formed from the debris left over after a giant impact between Earth and a Mars -sized body."? Topic:???
output answer:
Moon