Charles takes his 10-year-old son, Harry, to Thrillseekers theme park. The park has recently opened a new ride and advertises it as the biggest of its kind and restricted to riders aged 12 and over. When they are getting on the ride, the operator, William, asks Harry's age. Charles says that Harry is 12 years old. William allows them on the ride but does not check that the safety harnesses have been secured once they are seated During the ride, Harry's harness suddenly opens and he is thrown to the ground. He sustains serious injuries. Jane, a nurse, also visiting the park, rushes to assist and treats Harry until the ambulance arrives. Charles calls his wife, Fiona, as he accompanies Harry in the ambulance, telling her that their son is badly injured. Fiona arrives just as Harry is brought in to the hospital. Jane is severely traumatised by the incident and is unable to work. Harry has to be treated in hospital for several months and Fiona has been diagnosed with depression. Advise the parties as to their rights and responsibilities in negligence