Context: She felt like giving him an even harder kick , but her horse stayed stubbornly a few strides behind his no matter how she slapped its sides . " Do n\'t tell me to shut up ! You know what you said ! " He rolled his shoulders .
Question: What may be the reason the horse was so stubborn ?
Option 0: The horse had not yet been properly trained .
Option 1: The horse would only behave when asked nicely .
Option 2: The horse behaves badly when not kicked hard .
Option 3: The horse only likes when babies ride his back .
Answer: 0