Teacher:This task involves asking a question, providing a set of 2 options. You are expected to choose the best answer to the question. The output will be in the form of A or B, corresponding to which option is chosen.
Teacher: Now, understand the problem? Solve this instance: Question:What links the US, 2 May 2011 and Abottabad in Pakistan? ,  Options: [A.kill osama bin laden B.attack on India] 
Student:
A