Task: Question Answering
Input (English): A scientist claims that he made a discovery in the lab. What does the scientist need to have in order to prove that the discovery is valid?  
 (A) diagrams showing the steps used in the discovery (B) accurate records that show that the data are consistent (C) documents showing that the scientist is well known (D) proof that the equipment used in the discovery is of high quality
Output (English): B