Task: Question Answering
Input (English): passage: The preparation of London broil typically involves marinating the meat for several hours followed by high heat searing in an oven broiler or outdoor grill. It is then served in thin slices, cut across the grain. If cut and used for sandwiches, the meat is usually rarer than traditional roast beef.
 question: is london broil the same as roast beef?
Output (English): No