text: // Module dependencies.
  const mongoose = require('mongoose');
  
  const Schema = mongoose.Schema;
  
  // Answer Schema
  
  const AnswerSchema = new Schema({
    id: {
      type: Number
    },
    text: {
      type: String,
      default: '',
      trim: true
    },
    official: {
      type: Boolean
    },
    expansion: {
      type: String,
      default: '',
      trim: true
    }
  });
  
  /**
   * Statics
   */
  AnswerSchema.statics = {
    load(id, cb) {
      this.findOne({ id }).select('-_id').exec(cb);
    }
  };
  
  mongoose.model('Answer', AnswerSchema);
  