You are given a concatenated string consisting of two parts that are separated by a newline character. The first part is the user's initial question during a human computer conversation, the second part is a clarifying question asked by the computer in response to the question asked by the user. You should read the input, then generate a valid prediction of the user's response to the computer's clarifying question. A valid prediction will clarify the user's correct intent in the initial question.

Input: Consider Input: User: Find information on taking the SAT college entrance exam. 
Computer: would you like to know about the most recent satellite sent into orbit

Output: cannot answer


Input: Consider Input: User: What are the symptoms of a heart attack? 
Computer: is this an emergency

Output: i dont know what are the signs


Input: Consider Input: User: What is a good way to begin collecting old coins? 
Computer: any tutorials would interest you


Output: na