Typescript interface and readability

interfaces-example.ts

export interface IAnswer {
  answer: string;
  description: string;
}

export interface IFunFact {
  text: string;
  number: number | string;
}

export interface IQuestion {
  text: string;
  answer: IAnswer;
  funFact: IFunFact;
}

const question: IQuestion = {
  text: 'Do you eat chocolate?',
  answer: {
    answer: 'yes',
    description: ''.
  },
  funFact: {
    number: '100%'
    text: 'replied yes',
  }
};

function getAnswer(question: IQuestion): IAnwser {
  return question.answer;
}