They had voted 2 - 1 for Bush in 2004 . They picked Obama as the winner of the debate by a 38 % to 27 % margin . This group also showed : A look at the underlying numbers shows that Obama made important gains that could endure through Election Day .
According to the above context, choose the best option to answer the following question.
Question: What does the group study ?
Options:
- None of the above choices .
 - Elections and politics .
 - Math and economics .
 - Bushes and other plants .


Elections and politics .