Variants
Despite attempt, not all variants semantically equivalent
- What is Dick Clark�s birthday? vs. When was Dick Clark born?
- What is Colin Powell best known for? vs. Who is Colin Powell?
- Who invented Silly Putty? vs. What is the name of the inventor of Silly Putty?
- Where is the location of the Orange Bowl? vs. What city is the Orange Bowl in?
Some variants did not have answers in document collection