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 key events and milestones in the life of Nelson Mandela.
user
Nelson Mandela was a South African anti-apartheid revolutionary and politician who served as President of South Africa from 1994 to 1999. He was born in 1918 in Mvezo, South Africa, and became involved in the anti-apartheid movement at an early age. In 1944, he joined the African National Congress (ANC) and participated in the anti-apartheid struggle, eventually becoming a leader of the ANC's youth wing. In 1962, he was convicted of conspiracy to overthrow the state and sabotage and was sentenced to life imprisonment. After spending 27 years in prison, including 18 years on Robben Island, Mandela was released in 1990. He led efforts to dismantle the apartheid system and in 1994 became the first black president of South Africa in the country's first multi-racial democratic elections.
assistant