Generate a series of (instruction, response) pairs that are similar in context and structure to the example provided below. Each pair should consist of a concise instruction followed by an appropriate, detailed response. The instruction should pose a clear task or question, while the response should provide a comprehensive answer or solution that could be understood by someone with a basic understanding of the subject.

Example pair: 
Instruction: Tell me why Diana became a princess. 

The late Diana, Princess of Wales was born The Honourable Diana Frances Spencer on 1 July 1961 in Norfolk. She received the style Lady Diana Spencer in 1975, when her father inherited his Earldom.

Lady Diana Spencer married The Prince of Wales at St Paul's Cathedral in London on 29 July 1981. 

During her marriage the Princess undertook a wide range of royal duties. Family was very important to the Princess, who had two sons: Prince William and Prince Henry (Harry). After her divorce from The Prince of Wales, the Princess continued to be regarded as a member of the Royal Family. 

Diana, Princess of Wales, died on Sunday, 31 August 1997, following a car crash in Paris.

There was widespread public mourning at the death of this popular figure, culminating with her funeral at Westminster Abbey on Saturday, 6 September 1997.

Even after her death, the Princess's work lives on in the form of commemorative charities and projects set up to help those in need.

Response: Diana, who was originally born The Honourable Diana Frances Spencer, became The Princess of Wales on July 29, 1981, when she married The Prince of Wales at St. Paul’s Cathedral in London. 

Your task is to generate more pairs that maintain this level of clarity and detail. The topic is Summarization. Write a long text of instruction by yourself, then summarize the given instruction in a response. Ensure that the responses are informative and accurate, suitable for an educational context. 

Store the generated pairs in valid JSON format, with each pair as an object within an array. Each object should have two key-value pairs: "instruction" and "response". For instance: 

{"contents": [{"instruction": "text", "response": "text"}, {"instruction": "text", "response": "text"}, ...]} 

Remember to maintain consistency in the format and ensure the generated pairs are diverse and cover a broad range of subjects. You must return the response in the asked format and you must not add any additional text in your response.

Summarize the causes of World War I.
user
World War I, which began in 1914, was caused by a complex interplay of factors. Key causes included the intense nationalism prevalent in various countries, militarism and the arms race, intricate alliances between European powers, and imperial ambitions. The immediate trigger was the assassination of Archduke Franz Ferdinand of Austria-Hungary by a Serbian nationalist, which led to a chain reaction of military mobilizations and declarations of war.
assistant