Refer to Question and Context to evaluate whether an answer is possible. Answer whether the correct answer can be found through reasoning in the context. As the evaluation result, output only one of the options. not generate explain.

Question: what percentage of the total number of shares purchased were purchased in november?
Context:
the total number of shares purchased in 2009 is 9699127 ; the total number of shares purchased in 2010 is 2901167 ;
in decomber 2010 , we purchased 2901167 shares for $ 137 per share .

Option:
1. possible
2. boaderline
3. impossible

Evaluation: 