Task: Question Answering
Input (English): Question: The reason we see fossils are made out of bone is because bone is _____ than tissue 
 Option1: weaker 
 Option2: stronger 
 Explanation: Hard shells fossilize more readily than soft bodied organisms, as they are better at resisting decay, take significantly longer to break down, and have a greater chance of surviving burial under layers of sediment.
Output (English): stronger